|
CA2007044A1
|
|
Apparatus for surveying the surface of an object by projection of fringe patterns
|
|
GB629167A
|
|
Improvements relating to photographic objectives corrected spherically, astigmatically, and for coma for one or more colours
|
|
GB595422A
|
|
Photographic objectives corrected spherically, astigmatically and for coma for one or more colours
|
|
GB616253A
|
|
Planimeter
|
|
GB616254A
|
|
Planimeter with an optical reading-off device
|
|
GB602799A
|
|
Optical tracing member adapted for use with planimeters and other tracing instruments
|
|
GB602327A
|
|
Improvement in stands with an adjustable mounting plate, tiltable in any direction
|
