Around 1836, and apparently independently of the 1834 pantograph of William Leavenworth, Edwin Allen developed a pantograph engraving machine for manufacturing wood type. Type was made at his firm by his successors through 1903, but I am not certain what influence, if any, his pantograph had upon the rest of the wood type industry. ( {Kelly 1969}, p. 39-41.)
{Kelly 1969} Kelly, Rob Roy. American Wood Type: 1828-1900. NY: Van Nostrand Reinhold, 1969.
Reissued in April 2010 by Liber Apertus Press, Saratoga, CA.
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