BS 623:1940
Specification for colours for signal glasses for railway purposes
BSI Group , 05/20/1940
$132.00
$264.16
Colorimetric and photometric requirements, limits for colour quality (illustrated by a curve), methods of test.
Product Information
Published:
05/20/1940
ISBN:
0580005887
Language:
English
Note:
This product is unavailable in Ukraine, Russia, Belarus
BS 1376:1974
$155.00
BS 623:1940
$132.00
