Buzz or trueing-up planer

By-pass and disconnect facilities for socket type meters

By-pass and pressure relief valve

By-pass arrangement for pumping apparatus

By-pass attachment

By-pass circuit for contact converters

By-pass circuit for electromagnetic rectifiers

By-pass condenser

By-pass damper device

By-pass disconnect switch for circuit interrupters

By-pass fluid meter fitting

By-pass for pumping apparatus

By-pass gas meter bar and key actuator therefor

By-pass gas turbine engine

By-pass means for valves

By-pass meter socket

By-pass meter stop

By-pass outlet fitting

By-pass rotary plug valve

By-pass seal