Details
An 18th-Century brass protractor rule,
signed Ha enbanck Hamb: Fec: with engraved centrepoint -- 4 1/8in. (10.5cm.) wide; another 18th-Century brass protractor, signed Sangstrup Akiöbenhaun -- 5 1/8in. (13cm.) wide; and an 18th-Century scale rule, unsigned -- 12in. (30.5cm.) long (3)
signed Ha enbanck Hamb: Fec: with engraved centrepoint -- 4 1/8in. (10.5cm.) wide; another 18th-Century brass protractor, signed Sangstrup Akiöbenhaun -- 5 1/8in. (13cm.) wide; and an 18th-Century scale rule, unsigned -- 12in. (30.5cm.) long (3)