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A similar designation is known with the model XM204 Soft Recoil Howitzer, which had swamp-rollers and could be towed by trucks. [1] With this artillery piece the army examined also an airborne version with Boeing CH-47 Chinook helicopters. The aerial artillery design Study is known as: Two Externally Mounted XM204 Howitzers on a CH-47C ...
HP-97 calculator. In 1977, HP introduced an extended version of the desktop model as the HP-97S which featured an extra parallel I/O port (40 lines for 10 4-bit BCD digits, plus 5 control lines) for collecting data from external hardware, [ 6 ] at a price of $1,375.
The 60mm HVMS autocannon was designed as an infantry support gun mounted on light armored vehicles.. The project commenced in 1977, originally as a joint development between IMI Systems of Israel and OTO Melara of Italy, whereby IMI Systems were expected to develop the gun and ammunition, and OTO Melara the autoloader and a lightweight two-man turret which could be mounted on a variety of ...
A partially disassembled Curta calculator, showing the digit slides and the stepped drum behind them Curta Type I calculator, top view Curta Type I calculator, bottom view. The Curta is a hand-held mechanical calculator designed by Curt Herzstark. [1] It is known for its extremely compact design: a small cylinder that fits in the palm of the hand.
HP-65 in original hard case with manuals, software "Standard Pac" of magnetic cards, soft leather case, and charger. The HP-65 is the first magnetic card-programmable handheld calculator.
Unlike former recoilless weapons it is capable of firing salvos or in fully automatic mode without producing recoil. [1] It is a three-chamber revolver cannon; the revolver and firing mechanism are driven by an electric motor, allowing variable rates of fire of up to 300 rounds/min. A fraction of the propellant gases is ejected to the rear of ...
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The buttstock is made from metal and has an adjustable shoulder pad for comfortable aiming and minimizing the effects of recoil on the operator. It is also adjustable for the length of pull and height, and in case of the folding stock variant can be folded to the left side of the receiver to reduce the overall dimensions of the rifle and make ...