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
GB178626A
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.)
HENRY WILLIAM ARKELL
JAMES GORDON AND Co Ltd
Original Assignee
HENRY WILLIAM ARKELL
JAMES GORDON AND Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by HENRY WILLIAM ARKELL, JAMES GORDON AND Co LtdfiledCriticalHENRY WILLIAM ARKELL
Priority to GB178626ApriorityCriticalpatent/GB265363A/en
Publication of GB265363ApublicationCriticalpatent/GB265363A/en
G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
G01B9/00—Measuring instruments characterised by the use of optical techniques
Abstract
265,363. Gordon & Co., Ltd., J., and Arkell, H. W. Jan. 21, 1926. Indicating, optical devices for.-Means for facilitating the reading of pressure gauge and meter indications comprises a frame carrying a magnifying lens preferably of convex formation and shaped in outline to register with the outline of the dial scale. As shown applied to a draught gauge a lens b is mounted in front of the indicating pointer and graduated scale e and is held in position by a frame d secured to said casing.
GB178626A1926-01-211926-01-21Improved means for facilitating the reading of gauge and meter indications
ExpiredGB265363A
(en)