Record

HI

Reference Number	HI/2024-16-2
Title	Pocket Altimeter
Date	[1875-1925]
Creator Name	Optiker Ruhnke; 1896-2002; optical devices manufacturer
Description	Brass pocket altimeter. Maker's name "OPTIKER RUHNKE" on the dial. Suspension loop at top. Used by Dr. David Duff (1883-1959) when living and working in Africa in the early 20th century.
Extent	1 item
Custodial History	Given to donor by David Duff's second wife Nora in the 1970s.
Dimensions	50mm (diameter) x 16mm (depth)
Digital Collections	View online in our digital collections
Copyright	Free to use under the terms of the Creative Commons Licence Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)
Credit Line	Royal College of Physicians of Ireland
Object Name	Pocket-Altimeter
Term	Altitude
	Spatial Navigation
	Geography
	Equipment and Supplies

Persons

Code	PersonName	Dates
DS/UK/5622	Duff; David (1883-1959); doctor, barrister and colonial civil servant	1883-1959
DS/UK/5623	Optiker Ruhnke; 1896-2002; optical devices manufacturer	1896-2002

Places

Code	Set
NA46	Germany

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