References
- Leitz Micro-flash device: Ernst Leitz GMBH. Wetzlar Germany; (for Laborlux, Ortholux, and Orthoplan microscopes.)
- Zeisss Micro-flash: Degenhardt and Co, Ltd, Carl Zeiss House, London.
- Lawson. D. F. The Technique of Photomicrography, p. 84. George Newnes Ltd, London. 1960.
- Webster. J. M. Discharge Lamps as continuous mode point sources. The British Journal of Photography 23 October, 1968
- Continuous mode-Pulsed, point light source; with solid-state power supply. ‘Photon Techniques’ Wishford Road, Middle Woodford, Salisbury, Wilts.
- Xenon flash tubes by : Heimann GMBH Phyikalisch-Technische Werksatten 6200 Wiesbaden-Dotzheim.
- Walker, M. I. The High-Speed Photomicrography of fresh water Protozoa. The Photographic Journal. Royal Photographic Society, October 1966.
- W. Watson and Son Ltd, Barnet, Herts.
- Xenon Strobe-Lamp for flash photomicrography. ‘Photon Techniques’ Wishford Road, Middle Woodford, Salisbury, Wilts.