automatic advance control
41Electricity meter — Typical North American domestic analog electricity meter …
42Nikon F3 — Type Single lens reflex Film format 35 mm Film size 36 mm × 24 mm Lens Nikon F mount …
43Naperville train disaster — Details Date April 26, 1946 Location Naperville, Illinois Country United States Rail line Chicago, Burlington and Quincy Railroad Operator Chicago, Burlington and Quincy Rai …
44Pentax K1000 — The Pentax K1000 (originally marked the Asahi Pentax K1000) is an interchangeable lens, 35 mm film, single lens reflex (SLR) camera. It was manufactured by Asahi Optical Co., Ltd., (PENTAX Corporation since 2002) from 1976 to 1997, originally in… …
45Copy protection — Copy protection, also known as content protection, copy obstruction, copy prevention and copy restriction, refer to techniques used for preventing the reproduction of software, films, music, and other media, usually for copyright reasons.[1]… …
46Rolls-Royce Merlin — Merlin The Rolls Royce Merlin …
47Steam locomotive — A steam locomotive is a locomotive powered by steam. The term usually refers to its use on railways, but can also refer to a road locomotive such as a traction engine or steamroller.Steam locomotives dominated rail traction from the mid 19th… …
48M247 Sergeant York — Type Self propelled antiaircraft gun Place of origin …
49Nikon FM10 — FE10 redirects here. For the tenth Fire Emblem game, see Fire Emblem: Radiant Dawn. FM10 redirects here. For the 2010 edition of Football Manager, see Football Manager 2010. Nikon FM10 Nikon FM10 with a Zoom Nikkor 35 70 mm f/3.5 4.8 zoom lens.… …
50HAL Tejas — infobox Aircraft name =Tejas type =Multirole fighter manufacturer =Aeronautical Development Agency Hindustan Aeronautics Limited caption = Pair of Tejas flying in formation designer = first flight =4 January 2001 introduction =Planned by 2010/11… …
