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1. GB189909411 - Improvements in relating to Eye-pieces for Sighting Telescopes.

Office
United Kingdom
Application Number 189909411D
Application Date 04.05.1899
Publication Number 189909411
Publication Date 10.03.1900
Publication Kind A
Applicants OTTWAY WILLIAM
Inventors OTTWAY WILLIAM
Priority Data 189909411T 04.05.1899 GB
Title
(EN) Improvements in relating to Eye-pieces for Sighting Telescopes.
Abstract
(EN) 9411. Ottway, W. May 4. Telescopes.-Relates to the eye-pieces of sighting- telescopes. The frame A carrying the lens B has a screw thread for the adjustment of a long tube E, to the flange F of which the cross-wires are attached. Approximate adjustment is obtained by these parts, and is completed by the movement of the screwthreaded tube H carrying the lens C. The collar D, in which the tube H works, is split to take up slack.