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Tele Vue once manufactured a 5" refracting telescope named the MPT, the Multi-Purpose Telescope. It had a fast f/4 ratio, and had an adjustable diaphragm that ranged from f/4 to f/20. Only a small number were made, with the last being kept by Televue to use as a final optical quality control for all eyepieces they make.
Used on the Agena-B, it first flew on December 20, 1960 and last flight was on May 15, 1966. [9] Bell Model 8096: USAF designation XLR81-BA-11 and later, YLR81-BA-11. [4] [5] Main production version, used on the Agena-D. It added to the 8081 a titanium with molybdenum reinforcements nozzle extension, which enabled it to reach an I sp of 280 s ...
The Agena Target Vehicle (/ ə ˈ dʒ iː n ə /; ATV), also known as Gemini-Agena Target Vehicle (GATV), was an uncrewed spacecraft used by NASA during its Gemini program to develop and practice orbital space rendezvous and docking techniques, and to perform large orbital changes, in preparation for the Apollo program lunar missions. [1]
The first Agena-D launch was of KH-4 #7 on June 28, 1963, and a total of 269 Agena-Ds were launched. The Agena-D was used to launch KH-7 GAMBIT and KH-8 Gambit 3 reconnaissance satellites, three Mariner probes to Venus and the two Mariner space probes to Mars. Thor-Agena flew for the last time in 1972 when it launched a KH-4B satellite.
A rifle is a firearm designed to be fired from the shoulder, with a barrel that has a helical groove or pattern of grooves ("rifling") cut into the barrel walls.The raised areas of the rifling are called "lands," which make contact with the projectile (for small arms usage, called a bullet), imparting spin around an axis corresponding to the orientation of the weapon.
This makes it relatively easy to fit an effective device to catch the cartridge cases, which can then be reloaded. A full-automatic (machine gun) version is available for military, police, and other government agencies. At the 2012 SHOT Show, Calico exhibited a prototype 12-gauge shotgun with top-mounted helical magazine.
Olympic Arms, Inc. was a manufacturer and marketer of AR-15 and M16 pattern rifles, carbines and pistols. The company manufactured Colt 1911 (M1911) series 70 style pistols under the name "Safari Arms" and the "Whitney" 22 caliber pistol.
A manual of arms was an instruction book for handling and using weapons in formation, whether in the field or on parade. Such manuals were especially important in the matchlock and flintlock eras, when loading and firing was a complex and lengthy process typically carried out in close order .