BRASS PROPORTIONAL DIVIDERS
Jesse Ramsden, circa 1770
signed Ramsden London, with steel pointers, in a fitted red morocco case lined with green velvet
7in. (18cm.)
BRASS PROPORTIONAL DIVIDERS
Jesse Ramsden, circa 1770
signed Ramsden London, with steel pointers, in a fitted red morocco case lined with green velvet
7in. (18cm.)
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