HOPKINSONS

Manually Operated Valves (Not Parts of Machines) Made of Common Metal, Metal Taps, and Parts Thereof

Valves (Parts of Machines), Non-Automatic Mechanically Operated Valves, Hydraulically Operated Valves, Pneumatically Operated Valves, [Soot Blowers for Cleaning Boilers and Heat Exchangers,] and Parts Thereof

Valves Operated Automatically by Electric Current Control, by Solenoid, by Temperature or Other Changes in Physical Conditions; [ Pressure Gauges and ] Gauge Syphons for Steam, Water or Air; Water Gauges; [ Thermometers; Dial Thermometers; ] Electric Controlling Apparatus for Steam, Water, Gas, Air or Other Valves; [ Digital Read-Out Positional Indicators for Use in Conjunction with Machine Tools; Data Collection and Retrieval Systems Using Punch Cards, Magnetic Tapes or Other Informational Media;] Regulators for Feed Water; Pressure Regulators; [ Electrically Operated Water Level Indicators and Alarms; ] and Parts Thereof

[ Steam Dryers for Purging Pressure-Jet Type Oil Burners; ] Water Taps [ ; Steam Traps; ] and Parts Thereof