Quantitative instruments for reading to resolution of 1 to 2 per cent of scale range. Single scale instruments having dials with full circle, part circle or straight scales; instruments with trans-illuminated dials and moving-scale fixed-index instruments not included. Relationship of scale dimensions, including marking and associated figuring, to maximum reading distance; preferred scale ranges.
BS 3693-1:1964
Original price was: $264.16.$132.00Current price is: $132.00.
Recommendations for the design of scales and indexes-Instruments of bold presentation and for rapid reading
BSI Group , 02/17/1964
