compensator — Autotransformer Au to*trans*form er, n. [Auto + transformer.] (Elec.) A transformer in which part of the primary winding is used as a secondary winding, or vice versa; called also a {compensator} or {balancing coil}. [Webster 1913 Suppl.] … The Collaborative International Dictionary of English
Scuba set — A scuba diver in usual sport diving gear A scuba set is an independent breathing set that provides a scuba diver with the breathing gas necessary to breathe underwater during scuba diving. It is much used for sport diving and some sorts of work… … Wikipedia
Diving regulator — and Octopus Other names Demand valve Uses Reduces pressurized breathing gas to ambient pressure and delivers it to the diver Inventor Manuel Théodore Guillaumet (1838), Benoît Rouquayrol (1860) … Wikipedia
Buddy check — The buddy check is a procedure carried out by SCUBA divers using the buddy system where each diver checks that the other s diving equipment is configured and functioning correctly just before the start of the dive. [Sport Diving, p118,123,… … Wikipedia
Birefringence — Displacement of light rays with perpendicular polarization through a birefringent material … Wikipedia
Ship gun fire-control system — Mk 37 Director c1944 with Mk 12 (rectangular antenna) and Mk 22 orange peel Ship gun fire control systems (GFCS) enable remote and automatic targeting of guns against ships, aircraft, and shore targets, with or without the aid of radar or optical … Wikipedia
Surface marker buoy — A surface marker buoy, SMB or simply a blob is an inflatable buoy used by scuba divers, with a line, to indicate the diver s position to their surface safety boat while the diver is underwater. Contents 1 Standard buoy 2 Decompression buoy 2.1… … Wikipedia
Diving cylinder — Diving cylinders to be filled at a diving air compressor station … Wikipedia
Surface Marker Buoy — (standard) = A Surface Marker Buoy, SMB or simply a blob is an inflatable buoy used by SCUBA divers, with a line, to mark the diver s position to their surface, safety boat while the diver is underwater.SMBs are inflated on the surface before… … Wikipedia
Muzzle flash — of an Israeli Merkava IIId Baz tank IMI 120 mm gun … Wikipedia
Glock pistol — Infobox Weapon name=Glock caption=The Glock 17 (recent production model) origin=flag|Austria type=Semi automatic pistol is ranged=yes service=1980–present used by=See Users wars= designer=Gaston Glock design date=1980 manufacturer=Glock GmbH unit … Wikipedia