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Category:Sylvester H. Roper

Sylvester H. Roper (1823–1896) Blue pencil.svg wikidata:Q2780910
Sylvester H. Roper
Description American inventor
Date of birth/death 24 November 1823 1 June 1896
Location of birth/death Francestown Charles River
Authority control


This category has the following 2 subcategories, out of 2 total.


Pages in category "Sylvester H. Roper"

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Media in category "Sylvester H. Roper"

The following 5 files are in this category, out of 5 total.