1925 Physical and Optical Societies' Exhibition: Difference between revisions
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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:
- Cambridge Instrument Co.
- Professor F. A. Lindemann.
- Evershed and Vignoles.
- Igranic Electric Co.
- Siemens.
- Mullard Radio Valve Co.
- Crompton and Co.
- Elliott Brothers.
- Marconi's Wireless Telegraph Co.
- H. W. Sullivan.