mast-mounted sight
71Armament of the Iowa class battleship — The armament of the engaged the Imperial Japanese Navy battlecruiser Kirishima at a range of convert|18500|yd|m| 2 at night.cite book | last = Mindell | first = David | title = Between Human and Machine | publisher = Johns Hopkins | date = 2002 | …
72Antenna height considerations — The Aspects for Antenna heights considerations are depending upon the wave range and economical reasons.Longwave/Low frequency antennasAt VLF, LF and MF the radio mast or tower is often used directly as an antenna. Its height determines the… …
73Republic P-47 Thunderbolt — P 47 Thunderbolt In flight view of a prototype of the Republic P 47N Thunderbolt Role Fighter bomber …
74Messerschmitt Bf 109 variants — Main article: Messerschmitt Bf 109 Bf 109 Bf 109G 10, with Erla Haube canopy and taller, wooden vertical fin/rudd …
75Torpedo Data Computer — The Torpedo Data Computer (TDC) was an early electromechanical analog computer used for torpedo fire control on American submarines during World War II (see Figure 1). Britain, Germany, and Japan also developed automated torpedo fire control… …
76Traffic light — The traffic light, also known as traffic signal, stop light, traffic lamp, stop and go lights, robot or semaphore, is a signaling device positioned at a road intersection, pedestrian crossing, or other location. Its purpose is to indicate, using… …
77North Carolina-class battleship — North Carolina steaming on 3 June 1946. By this time, many of the light anti aircraft weapons (Bofors 40 mm and Oerlikon 20 mm) mounted during the war had been removed, while more modern radars had been mounted on her forefunnel and mainmast …
78P-47 Thunderbolt — infobox Aircraft name =P 47 Thunderbolt type =Fighter bomber manufacturer =Republic Aviation caption =USAAF P 47D Razorback configuration designer =Alexander de Seversky Alexander Kartveli first flight =6 May 1941 introduction =1942 retired =1955 …
79Wigwag (railroad) — This article is about the wigwag railroad crossing signal. For other uses, see Wigwag (disambiguation). A Magnetic Flagman wigwag signal in use in southern Oregon in 2007. Wigwag is the nickname given to a type of railroad grade crossing signal… …
80Short Sunderland — infobox Aircraft name = Sunderland type = Military flying boat manufacturer = Short Brothers caption = designer = first flight = 16 October 1937 introduced = 1938 retired = 1967 status = primary user = Royal Air Force more users = French Navy… …
