Holtzapffel & Co, 64 Charing Cross London, Ivory 6 inch rule

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Posted 7 years ago

joemalta
(1 item)

I am looking to find the age of this old ivory rule. It came from the estate of a British soldier who was highly decorated and served in WW 1

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tim-tim, 7 years ago
https://www.gracesguide.co.uk/Holtzapffel_and_Co
This site gives some information on the company.
UncleRon, 7 years ago
This is a protractor used in navigation. A nearly identical one dated "Ca. 1880" is show on this site:

http://www.sliderulemuseum.com/Rarities.htm

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Holtzapffel & Co, 64 Charing Cross London, Ivory 6 inch rule In Tools and Hardware > Rules and Rulers > Show & Tell.
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