08-016. English, 2nd half 19th century signed in script "Cary, Strand, London" and "Chief Draughstman." Made of nickel silver with steel points, 6 1/8" long overall, with ratio scales for lines (1:1 to 1:10), circles (1:6 to 1:20), solids (1:1 to 1:10), and plans (1:1 to 1:10). The dividers are in fine overall condition, in their original plush lined leather covered shaped case.