Ruler
Holtzapffel & Co.
Category
Scientific instruments
Date
Unknown
Materials
Wood, brass and ivory
Measurements
13 x 54 mm; 238 mm (L)
Place of origin
Charing Cross
Order this imageCollection
Tyntesfield, North Somerset
NT 11504
Summary
Wood, ivory and brass rule calibrated in inches on ivory edges, centre brass mountings holding rod which supports brass and ivory calibrated rollers on which rule can slide horizontally. Inscribed, HOLTZAPFFEL AND CO 64 CHARING CROSS LONDON.
Provenance
Purchased from the estate of the late Lord Wraxall with the assistance of the NHMF and donations from members and supporters.
Marks and inscriptions
HOLTZAPFFEL AND CO 64 CHARING CROSS LONDON
Makers and roles
Holtzapffel & Co., manufacturer