This is a power-driven ("automatic") foundry type caster.
The basic patents by Henry Barth and Ernst Lietze are US No. 376,765 (1888-01-24, "Type Casting and Finishing Machine") and US No. 392,710 (1888-11-13, "Type Casting and Finishing Machine"). The illustrations from them, howeer, do not work well in a general overview such as this. It is necessary (and worthwhile) to read them for detail. These patents were assigned to the Cincinatti Type Foundry, which became a part of ATF.
Linn Boyd Benton's 1914 patent No. 1,115,773 (1914-11-03, "Type-Casting Machines") reference the Barth patents. This was of course work done at, and assigned to, ATF.
A Barth caster from not later than 1896. The image is fuzzy because it is a screen grab from the PDF of the Google Books version; it's the best I can do at present.
{Skopeo 255}
A Barth caster from not later than 1900.
{DeVinne, p. 28}
A Barth caster from not later than 1923.
{ATF 1923, 10}
DeVinne's The Practice of Typography (1900) is in the public domain.
The ATF Specimen Book was copyright 1923. A search of the copyrigh records failed to disclose a renewal. I believe therefore that it passed into the public domain upon the expiration of its original copyright in 1951.
The 1896 Typographical Journal and the article in it by "Skopeo, of No. Six" are in the public domain.
All portions of this document not noted otherwise are Copyright © 2008 by David M. MacMillan and Rollande Krandall.
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