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Small Electric Motors Limited, Beckenham

Patents of Albert Henry Midgley and Albert Percy Wright

Alexander Pelham Trotter material

Crompton letter

'Electricity, Paris Exhibition 1881'

Brush Electrical Engineering Company Ltd: Instructions for working 'Victoria' Dynamos

Diagrams and notes for Fahie's Dynamo

W G Adams correspondence

Binder of publicity leaflets, blueprints and diagrams labelled General D-N

Plans of Bethnal Green Infirmary Roll C

View of one pair of engines

Crompton Dynamos and Williams Engines used for exciting the Field Magnets of the Large Dynamos

Dynamo feeding centre

No. 1 feeding centre

Notebooks of tables of specifications for electrical equipment