Details
A Gilbert marine telescope
with 1½-inch objective, single draw signed J. Gilbert, Tower Hill, London, dust slides and tapering, decagonal mahogany body tube with carved initials TM -- 26in.(66cm.)long, circa 1790
with 1½-inch objective, single draw signed J. Gilbert, Tower Hill, London, dust slides and tapering, decagonal mahogany body tube with carved initials TM -- 26in.(66cm.)long, circa 1790