![](https://coimages.sciencemuseumgroup.org.uk/55/160/large_thumbnail_1937_0093.jpg)
Stroboflash, Stroboscope
- Made:
- 1950s-1960s in London
- maker:
- Dawe Instruments Limited
![Dawe Instruments Ltd Stroboflash 1200E; Serial no](https://coimages.sciencemuseumgroup.org.uk/287/279/small_thumbnail_2017_0163__0004_.jpg)
![Dawe Instruments Ltd Stroboflash 1200E; Serial no](https://coimages.sciencemuseumgroup.org.uk/287/278/small_thumbnail_2017_0163__0003_.jpg)
![Dawe Instruments Ltd Stroboflash 1200E; Serial no](https://coimages.sciencemuseumgroup.org.uk/287/276/small_thumbnail_2017_0163__0001_.jpg)
![Dawe Instruments Ltd Stroboflash 1200E; Serial no](https://coimages.sciencemuseumgroup.org.uk/287/280/small_thumbnail_2017_0163__0005_.jpg)
![Dawe Instruments Ltd Stroboflash 1200E; Serial no](https://coimages.sciencemuseumgroup.org.uk/287/277/small_thumbnail_2017_0163__0002_.jpg)
![Stroboflash, Stroboscope](https://coimages.sciencemuseumgroup.org.uk/285/129/small_thumbnail_2017_0163__0005_.jpg)
![Stroboflash, Stroboscope](https://coimages.sciencemuseumgroup.org.uk/285/128/small_thumbnail_2017_0163__0004_.jpg)
![Stroboflash, Stroboscope](https://coimages.sciencemuseumgroup.org.uk/285/127/small_thumbnail_2017_0163__0003_.jpg)
![Stroboflash, Stroboscope](https://coimages.sciencemuseumgroup.org.uk/285/126/small_thumbnail_2017_0163__0002_.jpg)
![Stroboflash, Stroboscope](https://coimages.sciencemuseumgroup.org.uk/285/125/small_thumbnail_2017_0163__0001_.jpg)
Dawe Instruments Ltd Stroboflash 1200E; Serial no. 43453, 1950s-1960s. Test equipment for measuring rotation speeds of machines. It uses triggered neon flash tubes. The unit is self calibrating with a 50Hz and 60Hz vibrating reed. It has has a speed range from 0rpm to 1800rpm. This stroboscope was used by the Computer Conservation Society in their restoration of the Elliott 401 Computer (1965-445).