X-ray apparatus : complete outfits and accessories for X-ray laboratories (1908)
Kny-Scheerer Company · New York : Kny-Scheerer · leaf 38
dia-phragm, tube, etc., andthe proper counterweightto insure easy adjust-ment. The cross - armitself IS also balanced andconveniently adjustable bymeans of rack and pinion. Theinside of the diaphragm case islined with an impenetrablerubber composition and is largeenough for X-ray tubes up to8… … 2.00
X-rays · Radiography
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