Set of drawing instruments by Holtzapffel & Co.

Made:
1839-1900 in London
maker:
Holtzapffel and Company

Set of drawing instruments by Holtzapffel & Co., London, including dividers, compasses, prickers, ivory scale, parrallel rule and sector in fitted mahogany case.

Details

Category:
Mathematics
Object Number:
1946-94
Materials:
ivory and mahogany (wood)
type:
drawing instruments sets and prickers (drawing)
credit:
Professor H.E. Rose

Parts

Set of drawing instruments by Holtzapffel & Co., London, containing compasses, dividers and a scale in fitted mahogany case

Compasses, dividers and a scale, with mahogany case, by Holtzapffel & Co.

Set of drawing instruments by Holtzapffel & Co., London, containing compasses, dividers and a scale in fitted mahogany case

Measurements:
overall (estimate): 25 x 200 x 130 mm
Materials:
brass , steel , ivory , mahogany , felt , leather and complete
Object Number:
1946-94 Pt1
type:
drawing instrument sets and dividers (compass)
Ivory parallel rule, from set of drawing instruments

Ivory parallel rule, from set of drawing instruments

Ivory parallel rule from set of drawing instruments by Holtzapffel & Co., London.

Measurements:
overall (estimate) : closed: 3 x 150 x 30 mm
Materials:
ivory , brass and complete
Object Number:
1946-94 Pt2
type:
rules (drawing) and parallel rules
Image ©
The Board of Trustees of the Science Museum
Ivory sector, from drawing instrument set

Ivory sector, from drawing instrument set

Ivory sector from set of drawing instruments by Holtzapffel & Co., London.

Measurements:
overall (estimate): 3 x 150 x 30 mm
Materials:
ivory , brass and complete
Object Number:
1946-94 Pt3
type:
proportion drawing instruments and sectors
Image ©
The Board of Trustees of the Science Museum
Ivory diagonal scale with built-in protractor from set of drawing instruments by Holtzapffel & Co., London.

Ivory diagonal scale with built-in protractor from set of drawing instruments by Holtzapffel & Co

Ivory diagonal scale with built-in protractor from set of drawing instruments by Holtzapffel & Co., London.

Measurements:
overall (flat): 3 mm x 150 mm x 42 mm, 0.018 kg
Materials:
ivory
Object Number:
1946-94 Pt4
type:
rules (drawing) and scales

Related Objects

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Pair of proportional compasses, brass c. 1680

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"The slide rule and how to use it" by Charles Hoare