Established in 1885 to provide solutions for the mining industry, In the 1940s the Stearns-Roger Manufacturing Co. manufactured turret lathes. We have also seen the name Stearns-Roger Engineering Corp. By 1987 Stearns-Roger, Inc. was a division of Air Products & Chemicals, Inc., of Denver.

Information Sources

• 1896 The Mineral Industry, Vol. 5, "Buyer's Directory" section, page 45, lists Stearns-Roger Mfg. Co., Denver, CO, under the categories of Air Compressors; Amalgamators; Assay Furnaces; Stamp Batteries; Boilers; Ore and Water Buckets; Cages and Skips Cars; Chlorination Plants; Concentrators; Converters; Crusher Rolls; Crushers; Drills; Electric Drills; Elevating & Conveying Machinery; Engines; Furnaces; Jigs; Machinery; Mill, Factory and Mine Supplies; Ore Cars; Ore Feeders; Perforated Metals; Placer Machinery; Pumps; Quartz Mills; Sampling Machinery; Shafting and Shaft Pulleys; Stamp Mills; Ventilators.
• 1942 issue of Screw Machine Engineering (vols 3-4 page 54): "Of vital importance to war production is the Denver 6R Universal Ram Type Turret Lathe first placed on the market a little over a year ago by The Stearns-Roger Manufacturing Company..."
• A 1976 book, Proud Journey, the Story of Stearns-Roger. The First Ninety Years of Creative Service in Engineering, Construction and Manufacturing, by James M. Lane, reportedly provides a company history. We have not yet seen a copy of this book.