|
Date: |
|
Description: | Ballast resistor for discharge lamp for Hilger & Watts surface analyser ABDNP:201973a. Plaque "Curtis discharge lamp resistor/ lamp volts 30, amps 3". End plate casting "Reg Design 804067". 3A meter on top; usual swithces A and B for operation on end; top brown slider "Patent 321888".
Acquisition source: Natural Philosophy Metrology Laboratory | License: | http://www.abdn.ac.uk/historic/Copyright_terms_conditions.shtml | Publisher: | ABDNP University of Aberdeen, Natural Philosophy Collection of Historical Scientific Instruments | Rights holder: | 47718 | Temporal: | 1966 | Source: | University of Aberdeen | Creator: | Hilger & Watts | Identifier: | http://calms.abdn.ac.uk/Geology/dserve.e... | Go to resource |
|
|