Assertion: postage stamp | /r/HasProperty | patented in england
Facets:
value: by william and henry bemrose
type: OTHER
Source sentences:
text: In 1856, under the direction of Postmaster General James Campbell, Toppan and Carpenter, (commissioned by the United States government to print United States postage stamps through the 1850s) purchased a rotary machine designed to separate stamps, patented in England in 1854 by William and Henry Bemrose, who were printers in Derby, England.