Machine tool dial assembly
Magnetic bookmark
Magnetic field indicator
Magnetic placemark
Magnetic pressure indicator with deactuator for bimetallic tempe
Magnetically aligned transmission shift indicator
Magnetically coupled indicator means for control setting
Magnetically operated door chime
Magnetically operated warning device
Mail box signal apparatus
Maintenance alarm actuator
Man overboard locator device
Manipulating rotary control device
Manipulating rotary control device
Manual device for indicating scores
Manual operating apparatus for an automatic transmission
Manual release and test apparatus for alarm system
Manual slide selector mechanism
Manually driven generating mechanism for doorbells
Manually rotatable control or selector knob member