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Henry Marcus Quackenbush (April 27, 1847 – September 8, 1933), commonly called "H.M.", was an American inventor and industrialist who founded the H.M. Quackenbush Company [1] in Herkimer, New York. His company was widely known for its air rifles and for the invention of the metal, spring-jointed nutcracker .
The Quackenbush rifle, invented by industrialist Henry M. Quackenbush, is a clever but cheaply made "Boys' rifle" sold in large numbers in the 1893–1920 period, along with several models of air guns.
The spring-jointed nutcracker was patented by Henry Quackenbush in 1913. [5] A ratchet design, similar to a car jack, that gradually increases pressure on the shell to avoid damaging the kernel inside is used by the Crackerjack, patented in 1947 by Cuthbert Leslie Rimes of Morley, Leeds and exhibited at the Festival of Britain.
Public Domain. Henry Ford is known for many things — the most prominent being mass-manufactured cars and paying workers respectable wages. But his first automobile, made in 1896, was powered by ...
A filing cabinet is a piece of office furniture used to store paper documents in file folders. It is an enclosure for drawers in which items are stored. On November 2, 1886, Henry Brown patented his invention of a "receptacle for storing and preserving papers".
Engineers during World War Two test a model of a Halifax bomber in a wind tunnel, an invention that dates back to 1871.. The following is a list and timeline of innovations as well as inventions and discoveries that involved British people or the United Kingdom including the predecessor states before the Treaty of Union in 1707, the Kingdom of England and the Kingdom of Scotland.
Charles Franklin Kettering (August 29, 1876 – November 25, 1958) sometimes known as Charles Fredrick Kettering [1] was an American inventor, engineer, businessman, and the holder of 186 patents. [2] He was a founder of Delco, and was head of research at General Motors from 1920 to 1947.
Cocking is performed by pushing this inner section back into the middle section. The middle 'barrel' is no more than a shroud over the operating spring and was not part of Quackenbush's original patent. This forward-moving barrel has given rise to the view that the Gat is not an air weapon at all, but simply a spring catapult. This is incorrect.