Grace's Guide To British Industrial History

Registered UK Charity (No. 1154342)

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,713 pages of information and 247,105 images on early companies, their products and the people who designed and built them.

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,919 pages of information and 233,587 images on early companies, their products and the people who designed and built them.

1925 Physical and Optical Societies' Exhibition: Difference between revisions

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Created page with "Exhibitors included: *Cambridge Instrument Co. *Professor F. A. Lindemann. *Evershed and Vignoles. *Igranic Electric Co. *Sie..."
 
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*[[Evershed and Vignoles]].
*[[Evershed and Vignoles]].
*[[Igranic Electric Co]].
*[[Igranic Electric Co]].
*[[Siemens]].
*[[Siemens Brothers and Co |Siemens]].
*[[Mullard Radio Valve Co]].
*[[Mullard Radio Valve Co]].
*[[Crompton and Co]].
*[[Crompton and Co]].

Revision as of 16:17, 5 March 2015

Exhibitors included:

See Also

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Sources of Information