|
L&N, |
|
|
PYE, |
|
 |
Bereo, |
|
Cambridge Instrument Co., |
|
 |
|
|
Warburton & Franki, |
|
|
PYE, |
|
|
Mullard, |
|
|
Dumont, |
|
 |
Carl Zeiss, France |
 |
Gambrell Bros. Ltd. London, England |
|
Philips, |
|
 |
1212 - Student's Potentiometer J. L. William Scientific Instruments, Melbourne, Australia |
 |
1. Aluminium plate punctured by Laser. 2. Example of pattern cut from wood using Laser. |
 |
1215 - Chinese CO2 laser device Shanghai Jiao-Tong Uni, China |
|
Tinsley, |
|
 |
Automatic Coil Winder and Electrical Co Ltd (AVO), England Thsi unit extends the voltage scale of the AVO Type 8 meter. It is used with the meter set to 10V DC. |
|
Leeds & Northrup Co., Usa |
|
|
1226 - Disappearing Filament Pyrometer Cambridge Instrument Co., |
|
|
1231 - Galvanometer with case removed C.I. Co., |
|
 |
1235 - Box of balance masses (incomplete) Unknown, |
 |
1237 - Post Office Resistance Box Elliot Siemens Bros & Co Ltd, England |
|
Isental, London, England |
|
|
EIH, |
|
 |
|
|
1242 - Victor Mechanical Calculator Victor, |
|
 |
|
|
Cambridge Instrument Co., |
|
 |
Unknown, The 833A triode was used as the final Class C stage in plate modulated AM broadcast transmitters. It was clamped in a base that supplied filament power. At full ratings, it required forced air cooling. The 833A valve is popular with Tesla... |
 |
These thyristors are Commercial/ Industrial units whch must be tightly clamped between heatsinks to remove heat generated by the flow of current through the devices. They are used to control the flow of current thru them. They can be turned on by a... |
 |
W. G. Pye & Co. Cambridge, England |
- ‹ previous
- 16 of 36
- next ›
