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Two polishers by Lassell, with Lassell's M.S. directions

1840-1850
Polishing tool used with 6-foot speculum mirror by Lord Rosse

Polishing tool used with speculum mirror

1840-1850
Brass foot tool in painted tinplate case with separate pitch polisher used by William Herschel to polish his metal speculum mirrors used in his telescopes.

Brass foot tool and pitch polisher for speculum mirrors

1770-1820