Mine Safety Appliances Co . of Pittsburgh won a $ 227, 357 contract from the Robins Air Force Base in Georgia for firefighting equipment.
22.
PA Mine Safety Appliance Co ., Pittsburgh, won an $ 110, 334 contract from the Defense Personnel Support Center, Philadelphia, for industrial safety harnesses.
23.
In the U . S ., an 1893 federal law, the Railroad Safety Appliance Act, required automatic brakes on all railroads, effective in 1900.
24.
Mine Safety Appliance in Pittsburgh won a $ 91, 084 contract from the Defense General Supply Center in Richmond, Va ., for harness assemblies.
25.
Mine Safety Appliances Co . of Murrysville won a $ 506, 059 contract from the Defense Supply Center in Columbus, Ohio, for refrigeration equipment.
26.
PA Mine Safety Appliance Co ., Pittsburgh, won a $ 102, 150 contract from the Defense Personnel Support Center, Philadelphia, for hose bag assemblies.
27.
Mine Safety Appliances Co . of Pittsburgh won a $ 407, 746 contract from the General Services Administration in Fort Worth, Texas, for firemen's helmets.
28.
Mine Safety Appliances Co . in Pittsburgh won a $ 404, 016 contract from the General Services Administration in Fort Worth, Texas, for firefighter's helmets.
29.
Mine Safety Appliances Co . in Murrysville won a $ 34, 062 contract from the Defense Supply Center in Columbus, Ohio, for nonmetallic hose assemblies.
30.
Mine Safety Appliance Co . of Pittsburgh won a $ 15.2 million contract from the Army in Rock Island, Ill ., for fire safety equipment.
