Record

RefNoAP/71/6/2
LevelItem
TitleUnpublished photograph, experimental apparatus by William R Jack
CreatorJack; William R (1866-1927); British physician
Date1895
DescriptionA photograph of the instrument designed by Jack for producing 'tracings of a larger series of lines upon the plate than the microscopic slide could contain' in his analysis of voluntary muscular movements. The instrument consists of 'a hollow brass cylinder made as light as possible, and carrying a roll of smoked paper. The axle had at one end a grooved wheel, which was connected with a similar wheel attached to the clockwork by an endless band.This furnished the rotary movement.'

Subject: Scientific apparatus and instruments
Extent1p
FormatPhotograph
PhysicalDescriptionSilver Gelatine Printing out Paper (PoP) adhered with animal glue to laid paper with typescript.
AccessStatusOpen
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