Patent Model for a Vacuum Cylinder Sheet-Feed Apparatus

Description (Brief):

This patent model demonstrates an invention for a sheet-feed apparatus which was granted patent number 21591. The patent details a sheet-feeding apparatus, operating independent of the printing machine, with improved registration.

Description (Brief)

William Bullock (1813-1867) made himself a name in 1852 with a hand-cranked wooden press to which a self-feeder was attached. He followed this with other fast presses, focusing on the problems of feeding. This led him to his most famous press, the web perfecting press (Patent 38200). In 1867 Bullock was caught in a press he was installing for the Philadelphia Public Ledger, and died from the injuries.

Date Made: ca 1858Patent Date: 1858-09-21

Patentee: Bullock, William

Location: Currently not on view

See more items in: Work and Industry: Graphic Arts, Patent Models, Graphic Arts, Work, Communications, Industry & Manufacturing, Patent Models

Exhibition:

Exhibition Location:

Data Source: National Museum of American History

Id Number: GA.89797.021591Accession Number: 089797Patent Number: 021591Catalog Number: GA*89797.021591

Object Name: patent modelFeeder, PaperObject Type: Patent Model

Physical Description: metal (overall material)wood (overall material)Measurements: overall: 32 cm x 28.5 cm x 37 cm; 12 5/8 in x 11 1/4 in x 14 9/16 in

Guid: http://n2t.net/ark:/65665/ng49ca746ab-cb90-704b-e053-15f76fa0b4fa

Record Id: nmah_998891

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