Details of exhibit
- Exhibition:
- 1909 Fifty-fourth Annual Exhibition of the Royal Photographic Society of Great Britain
- Exhibit title:
- Intestines filled with bismuth meal, showing peristaltic waves subdivisions of contents. One-half second exposure
- Exhibitor:
- Charles Lester Leonard
- Section:
- Scientific and Technical Photography and its Application to Processes of Reproduction
- Exhibit No.:
- 382
- Description:
- The plates employed on the above were ? Lumière, developed with Pyro-Acetone.
The distance of the anticathode of the tube from the plate was 24 inches.
No intensifying screens or intensification of negative was employed.
The tube used was a Green & Bauer (Amer.)
The energy (electrical) was derived from a 2 k.w. Snook Roentgen generator and measured from 35 to 50 milliamperes of current in the tube during the exposure.
The exposures, as stated, were quarter, half and one second, and were timed photographically by my metronome method. - Exhibit type:
- Photographic equipment and supplies
- Process:
- [Not Listed] ()
- Award:
- none