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The machine has a heated crucible for the hot type metal, with a mechanically actuated plunger which operates as part of the injection cycle. The pot on the machine was usually left on overnight during the week, with some flux added to the pot to reduce oxidation. At the end of each week, the plunger assembly had to be disassembled (while hot ...
A record press or stamper is a machine for manufacturing vinyl records. It is essentially a hydraulic press fitted with thin nickel stampers which are negative impressions of a master disc. [1] Labels and a pre-heated vinyl patty (or biscuit) are placed in a heated mold cavity. Two stampers are used, one for each of side of the disc.
An Affixing Machine is a machine that affixes postage stamps to an envelope, postcard or wrapper. [1] Affixing machines first appeared in the 1850s [2] but were not widely used until the early 20th century. [3] Stamp affixing machines were brought about by the need to mechanically affix stamps for bulk processing of mail. [4]
Stamped bicycle parts were being imported from Germany to the United States in 1890. U.S. companies then started to have stamping machines custom built by U.S. machine tool makers. Through research and development, Western Wheel was able to stamp most bicycle parts. [4] Several automobile manufacturers adopted stamping of parts.
This Etsy seller allows you to choose a custom address design and whether you want a commemorative wooden block stamp with an ink pad, or a modern self-inking style. It's also a thoughtful gift ...
An early machine pictured on a 1932 envelope from Brazil addressed to Pitney Bowes. Since the issuance of adhesive stamps in 1840, postal officials have been concerned about security against stamp theft and how to process mail in a timely fashion. [1] One solution was a postage stamp affixing machine, introduced in the 1880s. [2] [3]
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