Shelfmark

ang.1

Maker

H. F. Angus & Co.

Subjects

Microscopes and microscopy--Catalogs; Incandescent lamps.; Incandescent gas lighting.

Title

The Barnard incandescent gas lamp [facsimile]

Description

The top half of the page shows an illustration of the lamp, with each component either numbered or given a letter.
Under this is a numbered list(1-6) which refers to the illustration, and provides description and instructions for use in a logical order. Lettered parts are used within the numbered list to clarify and provide fine detail.
The numbered list covers these topics:-
1. Metal tube containing incandescent material;
2. Cradle holding the tube;
3. Fine adjustment scres;
4. Bunsen flame;
5. Metal chimney;
6. Bulls eye condenser adjustable for focus

Earliest Date

Latest Date

Pages

1

Address

83 Wigmore Street, [London]

Other Makers

Cat no

n.a.

Contents List

Hardback

Prices

Yes

Index

Illustrations

Yes

General Ref