Devices of miscellaneous character adaptable and specific to use on board ships and boats, usually separate and independent of the structure of the ship.
SEE OR SEARCH CLASS
60, Power Plants,
632+, for one shot explosion actuated expansible chamber type motors.
166, Wells,
54.5+, for means for cutting a cable or rope in a well below ground.
294, Handling: Hand Hoist-line Implements,
19.1, for pole mounted handling implements which do not have exclusive disclosure for use on board a ship
405, Hydraulic and Earth Engineering, 185+, for submersible apparatus with which men may perform an underwater operation.