spring-loaded pin
61Enigma machine — Military Enigma machine …
62Automatic transmission — An automatic transmission (commonly AT or Auto ) is an automobile gearbox that can change gear ratios automatically as the vehicle moves, freeing the driver from having to shift gears manually. Similar but larger devices are also used for heavy… …
63Movie projector — This article is concerned with technical aspects of moving film projection. For non film movie projection, see digital cinema. For historical aspects, see the article history of cinema. 35 mm movie projector in operation …
64William Mills (inventor) — Infobox Military Person name=William Mills caption=Sir William Mills lived=24 April 1856–1932 placeofbirth = Wear Street, Southwick, Sunderland, England placeofdeath = Weston super Mare, Somerset, England profession= Inventor and Engineer… …
65In-circuit test — (ICT) is an example of white box testing where an electrical probe tests a populated printed circuit board (PCB), checking for shorts, opens, resistance, capacitance, and other basic quantities which will show whether the assembly was correctly… …
66lock — lock1 lockless, adj. /lok/, n. 1. a device for securing a door, gate, lid, drawer, or the like in position when closed, consisting of a bolt or system of bolts propelled and withdrawn by a mechanism operated by a key, dial, etc. 2. a contrivance… …
67M1918 Browning Automatic Rifle — Not to be confused with Browning BAR. Rifle, Caliber .30, Automatic, Browning, M1918 The M1918A2 BAR Type …
68M3 submachine gun — Infobox Weapon name=M3 submachine gun caption=M3 origin=flag|United States type=Submachine gun is ranged=yes service=1942–present used by=See Users wars=World War II, Chinese Civil War, Korean War, Bay of Pigs Incident, Vietnam, Falklands War,… …
69Cat's-whisker detector — Galena cat s whisker detector Precision cat s whisker d …
70Coaxial power connector — Most common coaxial power connector, male and female, 5.5 x 2.5 mm …
