Details
A Fowler's Long Scale calculator
with two dials -- 2.5/8in. (6.8cm.) diam. (one glass cracked), in nickel-plated case; and ivorine sector by Dollond London; and a pair of dividers by Thornton (3)
with two dials -- 2.5/8in. (6.8cm.) diam. (one glass cracked), in nickel-plated case; and ivorine sector by Dollond London; and a pair of dividers by Thornton (3)