X-ray film apparatus

Details X-ray film apparatus X-ray film apparatus

1974-10-29

1976-05-25

Smith, Alfred E.

Radiant energy

Invisible radiation responsive nonelectric signalling

Photographic type

250491, G03B 4110

Patent

active

039596567

ABSTRACT:
The apparatus comprises an apertured lead plate and a film-holding tray for use therewith, with the tray carrying marking or calibration guides which permit the film to be exposed in several positions with respect to the aperture whereby a single sheet of film can be used to take a plurality of X-ray pictures.

REFERENCES:
patent: 2141857 (1938-12-01), Gamble
patent: 3573455 (1971-04-01), Suierveld
patent: 3577160 (1971-05-01), White
patent: 3588347 (1971-06-01), Montone et al.
patent: 3745358 (1973-07-01), Firtz et al.

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