G - Physics – 01 – C
Patent
G - Physics
01
C
33/109
G01C 5/04 (2006.01)
Patent
CA 1096607
ABSTRACT OF THE DISCLOSURE A pair of upright stands are provided and include en- larged bases by which the stands may be supported on variously elevated support surfaces. Each of the stands has a vertically elongated support mounted thereon for adjustable vertical posi- tioning therealong and each such stand has a scale thereon by which the positioning of the support therealong may be precisely determined and adjusted as desired. Each support includes a structure supporting an upstanding transparent tube sections therefrom and the lower ends of the tubes are connected by means of an elongated flexible tube member including an expandable and contractable reservoir. One or both of the transparent tube sections may be provided with a float therein and the upper end of the float will have its position relative to its support and the position of its supporting liquid accurately determined either through the utilization of a scale supported from the upper end of the tube, a micrometer supported from the upper end of the support and/or a float actuatable switch carried by the upper end of the support.
298464
Macrae & Co.
Turloff Harry E.
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