TY - JOUR
AU - Hockly, D A
AB - Laboratory and workshop notes Adaptation of a gas and water union to high vacuum circuits measurement. The placing of the drive symmetrically between the springs produces zero rotation of the eyepiece By A. D. CASSELL* and D. A. HOCKLY, Graduate 1.E.E , about a vertical axis, and the position of the drive half-way Electronic Tubes Ltd., High Wycombe, Bucks. up the springs elimmates parasitic rotation about the eye- [Note received 12 September, 19551 piece axis.(2) The two prospective defects of the design are a departure from rectilinearity due to the platform and eye- Standard gas and water unions (by Simplifix Couplings Ltd.) piece weights,(2) and a parasitic rotation about the hrection can be modified as demountable high vacuum unions for of traverse, for which this particular arrangement of springs both metal and metal/glass circuits. The copper sealing is not self-compensating. These defects will be shown to be ferrule in the union is replaced by an O-ring of suitable of unimportant magnitudes. size, and the 45" faced washer reversed. The glass or metal The platforms and base are made of mild steel, normalized, tubes for union are selected to fit the Simplifix umon and and the springs are of hard 
TI - Adaptation of a gas and water union to high vacuum circuits
JF - Journal of Scientific Instruments
DO - 10.1088/0950-7671/33/7/410
DA - 1956-07-01
UR - https://www.deepdyve.com/lp/iop-publishing/adaptation-of-a-gas-and-water-union-to-high-vacuum-circuits-biRGqmCy0m
SP - 279
VL - 33
IS - 7
DP - DeepDyve
ER -