Cronologia della pagina
27 ago 2019
23 ago 2019
Creata pagina con "Both of these systems can be counted among the various attempts to create a bag compression system based on mechanisms that differed from those patented by other manufacturers..."
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Creata pagina con "The second system is the one used by Crocker around 1910, in this case the bottom itself is anchored to a lever, which raised in a vertical position compresses the sac. To..."
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Creata pagina con "The lever was hinged on one of its extremes (the stem of the "P") at the end of the slit, and returned with the protruding part inside the body of the pen, on the bottom of th..."
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Creata pagina con "center|500px|Diagram of a pen with ''hatchet filler''"
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Creata pagina con "In reality two completely different filling systems are called ''hatchet filler'', as they were given this name by their respective manufacturers. The first is the one used by..."
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Creata pagina con "Hatchet filler"
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