Gas chamber Gas chamber A gas chamber is an apparatus for killing humans or other animals with gas, consisting of a sealed chamber into which a poisonous or asphyxiant gas is introduced. The most commonly used poisonous agent is hydrogen cyanide; carbon dioxide and carbon monoxide have also been used. Gas chambers were used as a method of execution for condemned prisoners in the United States beginning in the 1920s and continue to be a legal execution method in three states. During the Holocaust, large-scale gas chambers designed for mass killing were used by Nazi Germany as part of their genocide program.
Lawn-Boy orders for these mowers from Sears Roebuck, Gimbles, Spiegel, and other businesses. OMC then bought RPM in 1952, and changed the brand of the rotary lawn mower to the Lawn-Boy name. In the 1950s, RPM facilities were converted to production line manufacturing to meet the high number of orders from bigger retailers such as Sears Roebuck and Spiegel. Also, newer, quieter engines were introduced to reduce sound. The next couple of decades included a long period of research and development as the company continued to expand, including overseas. Riding mowers, tillers, and snow blowers were introduced, as well as a