Hartford City Glass Company

Hartford City Glass Company

Company type	Corporation
Industry	Glass manufacturing
Founded	1890 (1890)
Founder	Richard Heagany
Defunct	1899 (operations continued until 1929)
Fate	Acquired
Successor	Plant No. 3 of American Window Glass Company
Headquarters	Hartford City, Indiana
Key people	Richard Heagany, J. R. Johnston
Products	window glass, chipped glass
Number of employees	600(1898)

Hartford City Glass Company was among the leading window glass producers in the United States from 1890 until its acquisition in 1899 and maintained a prominent production role afterward. It held the distinction of being the largest chipped glass manufacturer nationwide, with output capacity double that of its nearest rival. Its facility was the inaugural glass factory in Hartford City, Indiana during the Indiana Gas Boom era and became the city’s largest employer, with a workforce of 600 individuals.

The enterprise hired numerous skilled Belgian artisans, who were then regarded as world leaders in window glass craftsmanship. These French-speaking workers and their families accounted for more than one-third of Hartford City's population during the 1890s, significantly shaping the community’s cultural landscape and local press.

In 1899, the American Window Glass Company acquired Hartford City Glass, gaining control over 85% of the nation’s window glass production capacity. Following this takeover, the new management began to replace experienced Belgian glassblowers with mechanized processes operated by less specialized laborers. The Hartford City plant served as a testing ground for these technological changes, which led to a substantial departure of Belgian craftsmen.

By the 1920s, advancements introduced by competitors diminished American Window Glass’s technological edge. Ultimately, the Hartford City facility ceased operations at the start of the Great Depression.

Manufacturers attracted to Indiana

The discovery of natural gas in Eaton, Indiana during the late 1880s sparked an industrial surge throughout East Central Indiana. Manufacturers were lured by inexpensive energy sources. In Blackford County alone, manufacturing employment expanded from 181 workers in 1880 to over 1,100 by 1901 across towns including Hartford City, Indiana. Population figures doubled between 1880 and 1900 in counties such as Blackford, Delaware, and Grant, establishing this region as a central hub for manufacturing within Indiana.

Hartford City

During Indiana’s gas boom period, Hartford City’s civic leaders leveraged local natural gas reserves by founding the Hartford City Land Company in 1891 to attract industrial enterprises. This organization offered benefits including free land parcels, complimentary natural gas supply, switching infrastructure, and monetary incentives aimed at energy-intensive sectors like glass production.

This approach resulted in rapid industrial expansion and population growth from 2,287 residents in 1890 to 5,912 by 1900. Notable glass manufacturers relocated to Hartford City during this time: Richard Heagany moved from Kokomo in 1890; Sneath Glass Company arrived from Ohio in 1894. By 1901, fifteen manufacturing plants provided employment for 1,077 workers—more than half employed by American Window Glass and Sneath Glass.

By 1902, eight glass factories operated within Hartford City: American Window Glass Company plants #3 and #32; Blackford Glass Company; Clelland Glass Company; Diamond Flint Glass Company; Johnston Glass Company; Hartford City Flint Glass Company; and Sneath Glass Company. The Sans-Pariel Bottle Company was also active locally. Several factories underwent transformations through acquisitions and renaming—for example, Hurrle Glass became Clelland Glass; Hartford City Glass and Jones Glass were integrated into American Window Glass operations. This concentration of glass manufacturers firmly positioned Hartford City as a major center for glass production during the early twentieth century.

Organization and management

Glassmaker Richard Heagany established a window glass factory in New York in 1878, where he assumed the role of superintendent and expanded it into the largest facility in the state. In 1886, he moved to Kokomo, Indiana and opened the area's inaugural window glass factory powered by natural gas. After a fire devastated this plant three years later, Heagany shifted his focus to Hartford City, founding the Hartford City Glass Company in 1890 with support from several financiers. Production commenced in early 1891, with Heagany acting as plant manager until his retirement in 1899.

Capitalists

Among the principal financiers were A. M. Barber, a multi-millionaire involved in grain and banking from Akron, Ohio, and Colonel Arthur Latham Conger, the company's initial president and a Civil War veteran with diverse investments across Ohio and Indiana. Conger also served as president of the Hartford City Land Company starting in 1893. Early company secretary Sydney W. Cantwell was both an attorney and president of the state window glass manufacturers’ association, with additional interests in local banking and oil enterprises. Another key investor was Henry "H. B." Smith, who presided over Hartford City's Citizen's Bank.

Management change

After the 1895 annual shareholders' meeting, Colonel A. L. Conger, who had led the company since its founding, was succeeded by George T. Perkins, a Civil War veteran and former president of both the B. F. Goodrich Company and Bank of Akron. Having fallen out of favor with local investors, Conger sold his shares to Kokomo banker John A. Jay and departed from Hartford City. The executive leadership in 1896 consisted of Perkins as President, Jay as Vice President, H.B. Smith as Treasurer, Richard Heagany as General Manager, and John Rodgers Johnston as Secretary.

John R. Johnston entered the company in 1890 as a bookkeeper and advanced to secretary by 1894, supporting Heagany with operational duties. Upon Heagany's retirement in 1899, Johnston took over plant management but resigned in April 1900 to establish the Johnston Glass Company. This change in leadership signaled a strategic shift during a pivotal period of expansion for the firm.

Workforce

At its zenith, Hartford City Glass Company employed between 500 and 600 individuals, including approximately 100 glass blowers among a total staff of 540 in 1894. The wages paid were reportedly comparable to those earned by roughly 1,500 workers in other sectors. It stood as the largest employer within the county and ranked as the second-largest glass manufacturing plant within the Indiana Gas Belt region. To house its workforce, 184 residences were constructed nearby. By 1896, 443 employees resided in Hartford City—primarily on the south side—with more than one-third of the local population economically reliant on the company.

Glassmakers

The firm utilized the labor-intensive Cylinder Method to produce window glass. Production teams were led by experienced glass blowers and cutters working closely together. Traditional factories employed ceramic pots inside furnaces to melt raw materials such as sand, soda ash, and lime; however, newer facilities like Hartford City adopted more efficient yet costlier tank furnaces featuring multiple workstations.

Molten glass was gathered using a blowpipe measuring four to five feet long to create cylinders roughly 12 to 16 inches in diameter and four to five feet in length. These cylinders were then cut open and flattened by skilled glass cutters. The annealing process involved gradually cooling the glass through a lehr oven—a conveyor-based system that transitioned pieces from high temperatures down to room temperature—to minimize breakage risks. Afterward, finished sheets were trimmed to size, packed into boxes, and recorded in inventory logs. It remains uncertain whether Hartford City's lehrs incorporated conveyor mechanisms during this era.

Accounts from former employees and historians document window glass production at Hartford City, emphasizing how the company's proficient workforce and manufacturing techniques contributed significantly to its competitive position within the industry.

The Belgians

During the late 1800s, there was a shortage of expert glassblowers, and Belgium stood as the primary supplier of window glass to the United States. Heagany, the plant manager, actively recruited Belgian craftsmen for specialized positions at his Hartford City facility, following a similar approach he had taken in Kokomo. The influx of these workers significantly influenced the city's population makeup, particularly in the southern neighborhood known as Belgium Town. Mostly adherents of Catholicism, these immigrants founded a Catholic church locally and enriched the area’s cultural identity. Father Dhe, originally from France and involved in glassmaking, ministered to this parish. Additionally, the Blackford County Gazette issued publications in French to cater to these skilled artisans.

Belgian contributions were also evident on Hartford City’s north side. The First Presbyterian Church—recognized on the National Register of Historic Places—features prominent stained glass windows imported from Belgium and installed by local Belgian craftsmen.

Infrastructure

Hartford City’s glass factory commenced operations soon after its completion in January 1891. Situated on the city’s south side and covering 12 acres, the facility harnessed natural gas to power its furnaces and ovens.

The plant employed the innovative tank system for melting glass, a continuous process that outperformed the traditional pot furnace technique. At its inception, it ranked as the world’s largest tank window glass factory, boasting a capacity equivalent to 30 pots—more than twice that of preceding Ohio plants. This technological advancement and scale established Hartford City as a dominant force in the American window glass industry.

Consistent with industry practices, the factory observed summer shutdowns to control inventory levels and perform maintenance amid furnace heat and seasonal weather challenges. After its initial closure in June 1891, production restarted in October.

Expansion

In 1892, the company expanded by installing a second tank, adding roughly 50 pots of capacity and bringing total output to around 90 pots. This $100,000 investment (exceeding $2.5 million in 2012 currency) elevated the factory to the position of second-largest glass manufacturer in the country. The new structures incorporated fire-resistant materials and enhanced ventilation systems, improving both production efficiency and working conditions.

The following year, plans emerged for a third tank that would add 60 pots’ capacity at an estimated cost of $150,000 (over $3.8 million in 2012 dollars), potentially employing 350 additional workers. Nevertheless, concerns about fire safety and employee housing delayed progress due to limited community backing. Meanwhile, Hartford City upgraded its infrastructure with new waterworks and acquired a chemical fire engine in 1894.

Although the third tank was never constructed, a new warehousing facility measuring 60 by 120 feet was built to accommodate up to 20,000 boxes. By September 1893, workforce numbers reached 500 with a monthly payroll totaling $45,000 (more than $1.1 million in 2012 terms).

By 1896, employment had risen to 550 employees producing approximately two million square feet of window glass monthly. The company also led nationally as the largest producer of chipped glass, doubling the output of its closest rival. The plant occupied 25 acres and included two melting rooms, storage warehouses, and machine shops linked by a railroad spur from the Pennsylvania Railroad.

Efforts to add a third tank resumed late in 1896 with ambitions to make Hartford City the nation’s largest glass manufacturing site. Despite constructing housing for incoming workers, this expansion remained incomplete. Testimony from 1913 indicated that only two tanks were operational—one large with ten machines and one smaller with six—while employee numbers had grown to 600 by 1898.

Acquisition

In 1898, James A. Chambers spearheaded the creation of the American Window Glass Company trust, which unified the American Glass Company alongside various other holdings. Officially incorporated in 1899, this trust sought to consolidate approximately 70 glass manufacturing facilities, strategically shutting down certain plants to better align output with market demand. Shareholders were given the option to receive payment in cash or stock; a majority chose stock, thereby strengthening their investment connections.

Starting August 2, 1899, Chambers assumed the role of president, with H.B. Smith from Hartford City serving as one of the board members. The initial phase of acquisitions encompassed more than 20 prominent window glass factories, predominantly located in Indiana and Pennsylvania, granting the company control over nearly 85% of the United States’ window glass production.

Significant purchases included plants situated within the East Central Indiana Gas Belt region, such as Hartford City Glass Company (designated Plant No. 3), Maring, Hart & Company, and C. H. Over’s operations in Muncie, along with facilities in Anderson, Dunkirk, and Fairmount. Following these acquisitions, J. R. Johnston was named manager of Plant No. 3. Additionally, the Jones Glass Company in Hartford City was incorporated as Plant No. 32. Eventually, American Window Glass expanded its portfolio to encompass 41 factories, firmly establishing its dominance and competitive strength within the glass manufacturing sector.

American Window Glass

Following its incorporation into the trust, Hartford City Glass Works was redesignated as plant number 3 under American Window Glass Company’s umbrella and employed around 450 workers by 1901. As Indiana’s natural gas reserves diminished, many glass producers either ceased operations or relocated; however, American Window Glass successfully transitioned from natural gas to coal gas fuel sources, enabling it to sustain production and retain a competitive position.

The company gained a technological advantage through the adoption of the Lubbers blowing machine—a mechanized system that replaced manual glass blowing by extracting molten glass automatically. This innovation was developed by John H. Lubbers and dramatically boosted output while lowering labor expenses. Further improvements introduced by Hartford City plant manager Harry G. Slingluff enhanced operational efficiency even more, allowing the plant to set new production benchmarks in both 1905 and 1907 utilizing these machines.

Lubbers machine

The Lubbers machine, invented by Pittsburgh native John H. Lubbers, transformed window glass manufacturing by substituting skilled glassblowers with machine operators who earned approximately 30% of their wages. This equipment was capable of producing five times more glass and could create window panes four times larger by drawing out bigger molten glass cylinders. Such progress rendered many highly paid skilled workers redundant; by 1908, Hartford City had largely replaced human blowers with this machinery, marking a pivotal shift toward automation and cost efficiency within the company’s operational strategy.

Consolidation

In early 1900, speculation arose that American Window Glass intended to consolidate production from smaller factories located in Dunkirk and Redkey (plants numbered 17, 30, 34, and 41) into its expansive southside Hartford City facility. An expansion sufficient to absorb these plants’ output would have made Hartford City’s operation the largest window glass manufacturing site worldwide, employing close to 1,000 personnel. Combined with other window glass factories in Hartford City, this would have established the city as an industry leader. Although smaller plants were eventually shuttered, no expansion occurred at the southside Hartford City plant.

By 1905, American Window Glass divested several smaller operations including Hartford City's plant number 32; however, plant number 3 remained active with a workforce of approximately 500 employees by 1910. Leading up to World War I, the company controlled more than half of U.S. window glass production capacity and maintained market dominance. In 1913, it continued closing less efficient plants while outfitting larger facilities with automated glass blowing machines; at that time, plant number 3 ranked as the nation’s third-largest window glass factory and was the largest west of Pennsylvania. The Belgian labor presence in Hartford City declined sharply due to mechanization advancements and wartime travel restrictions.

By the year 1920, American Window Glass had recorded unprecedented profits after selling off or closing all smaller factories. Its operational model focused on six large-scale modern plants near Pittsburgh plus one in Hartford City—each equipped with glass-blowing machinery—to maximize production efficiency and uphold its leadership position within the market.

Decline

During the early 1900s, rivals of the American Window Glass trust embraced innovative technologies that began to erode its control over the market. Although American Window Glass enhanced its operational efficiency, it continued to depend on conventional blowing and cutting techniques that originated in the 1880s. Inventor Irving W. Colburn introduced a novel machine for manufacturing window glass, securing patents in the early twentieth century. Despite declaring bankruptcy in 1912, Colburn’s patents were purchased by Edward Drummond Libbey and Michael J. Owens, the latter renowned for transforming glass bottle production with his Owens Bottling Machine. Owens refined Colburn’s invention, which entered commercial production by 1921.

By 1926, Libbey-Owens had attained approximately 29% of the window glass market, while American Window Glass maintained a 59% share. The sector experienced further upheaval as Pittsburgh Plate Glass introduced a new manufacturing process, and the European Fourcault method was adopted domestically by Furco Glass during the 1930s. This heightened competition caused American Window Glass’s U.S. market share to shrink to around 20%, with Libbey-Owens, Pittsburgh Plate Glass, and Furco each capturing close to 25–30%.

Advancements in technology rendered numerous patents and equipment owned by American Window Glass outdated. The company initiated plant modernization efforts in the late 1920s but encountered financial difficulties that culminated in a reorganization in 1929 and a cutback in preferred stock dividends. While some facilities underwent upgrades, the Hartford City plant was shut down due to exhausted natural gas reserves and more advantageous access to raw materials at other locations. This closure represented a major reduction in both American Window Glass’s production capacity and its influence within the industry.