Shelfmark

Whe.5

Maker

T. Wheeler

Subjects

Aneroid barometers; Altimeters

Title

Patents and Designes acts, 1907 & 1919 complete specification "Improvements in or relating to aneroid barometers, altimeters and the like"

Description

6 Pages papercliped together, written on a typewriter, including diagrams. A letter specifying a new invention improving aneroid barometers, altimeters and the like. Signed by Andrew Clark of the Chartered Patent Agents. The letter is dated 10th April 1923, the date on the cover of the document is 13th July 1922. The patent No. is 19269/22

Earliest Date

1922

Latest Date

1923

Pages

6

Address

217, Coswell Road, London, E.O.I

Other Makers

N/A

Cat no

19269/22

Contents List

Hardback

Prices

Index

Illustrations

Yes

General Ref