Details
PASTORELLI & CO., London
A set of four triangular ivory rules, one signed Pastorelli & Co., Piccadilly, London, another signed Arranged by W.E. Metford, C.E., each stamped with scales and conversions, including expansion, force of gravity and many others, in a part, fitted leather-covered card case, each rule 6¼in.(16cm.)long (4)
A set of four triangular ivory rules, one signed Pastorelli & Co., Piccadilly, London, another signed Arranged by W.E. Metford, C.E., each stamped with scales and conversions, including expansion, force of gravity and many others, in a part, fitted leather-covered card case, each rule 6¼in.(16cm.)long (4)