A folder containing drawings of various pieces of industrial equipment. This includes the arrangement of a 6" stroke 6000 ATs intensifier, a hydraulic lift for thermostat, a rotary mercury make and break switch, layout and circuit diagram of switchgear, primary mercury gas compressor 1200 ATs liquid pump, assembly and detail of 3000 ATs valve with 1/8" bore, stirrer assembly and a copper block furnace.