Improvements in Apparatus for the Control of Gun Fire.
GB191328125A
Improvements in or connected with Apparatus for the Communication of Indications Electrically, on the Step-by-step System, from a Transmitting Station to a Receiving Station.
GB191327217A
Improvements in Apparatus for the Control of Gun Fire.
GB191326223A
Improvements in Visual Signals for use on Shipboard.
US1164326A
Means for use in association with range-finders.
US1164325A
Sighting apparatus for ordnance.
GB191301012A
Improvements in Sextants.
GB191405405A
Improvements in Mountings for the Support of Instruments on Board Ship.
GB191229669A
A Depression Range and Position Finder for use upon Aeroplanes, Dirigibles, or the like.
GB191226333A
Improvements in Rangefinders.
GB191205731A
Improvements in or connected with Apparatus for use in the Control of Instruments and Machines on Board Ship.
GB191205182A
Improvements in Sighting Apparatus for Ordnance.
US1177470A
Fire-control apparatus.
GB191126791A
Improvements in Panorama Telescopes.
US1018548A
Range-finder.
US1031769A
Optical instrument.
GB191111772A
Apparatus for the Conversion of Motion According to One Law into Motion According to Another Law.
