Title
small 60 degree prism
Identifier
ABDNP:200586a
Description
One of two 60 degree glass prisms with beveled edges and 3 frosted faces including the base. A small capital B has been written on one frosted side in pencil near the base; labelled as small with reference to the counterpart larger prism b
Date
1800
Format
width 88mm, height 112mm, length (base) 133mm
glass
Coverage
Unknown
Creator
Unknown