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
GB1258417A
Inventor
Charles Maynard Owen
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
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 IndividualfiledCriticalIndividual
Priority to GB1258417ApriorityCriticalpatent/GB112905A/en
Publication of GB112905ApublicationCriticalpatent/GB112905A/en
G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
G01C1/00—Measuring angles
Abstract
112,905. Owen, C. M. Sept. 1, 1917. Protractors.-A protractor for workshop use consists of arms A, B connected by distancepieces C, D to a disk E and ring F respectively, the disk being provided with a pointer working over graduations on the ring.