SE353155BSE351669ASE351669ASE353155BSE 353155 BSE353155 BSE 353155BSE 351669 ASE351669 ASE 351669ASE 351669 ASE351669 ASE 351669ASE 353155 BSE353155 BSE 353155B
Authority
SE
Sweden
Application number
SE351669A
Inventor
D Ritchie
Original Assignee
Barr & Stroud 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 Barr & Stroud LtdfiledCriticalBarr & Stroud Ltd
Publication of SE353155BpublicationCriticalpatent/SE353155B/xx
G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
Landscapes
Physics & Mathematics
(AREA)
Astronomy & Astrophysics
(AREA)
General Physics & Mathematics
(AREA)
Optics & Photonics
(AREA)
Telescopes
(AREA)
Non-Portable Lighting Devices Or Systems Thereof
(AREA)