Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB19967/27A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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Publication date
Application filed by IndividualfiledCriticalIndividual
Publication of GB288872ApublicationCriticalpatent/GB288872A/en
G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
G01B3/00—Measuring instruments characterised by the use of mechanical techniques
G01B3/22—Feeler-pin gauges, e.g. dial gauges
G01B3/28—Depth gauges
Abstract
288,872. Borel, M. A., (Assignee of Challet, E.). June 11, 1927, [Convention date]. Linear-dimension gauges.-A depth gauge comprises a graduated rod c sliding in a block d and a supporting rod a pierced with holes through any of which the graduated rod c may be passed, the block d remaining supported on the upper face of the rod a. The block d is provided with a vernier.
GB19967/27A1927-06-111927-07-27Tool for measuring depths
ExpiredGB288872A
(en)
Static hardness tester with a device for determining the depth of penetration of the pressure stamp without taking into account the edge deformation of the impressions produced
Process and apparatus for the simultaneous measurement of several factors in the interior of a bore hole, in particular for the investigation of the formations cut by this bore hole