CAT NO: DIDACTICNLE-Export-202278
Prisms.
Prisms square Two primes 90 � and 180 �
Size: 4 inches
FLATNESS: flat to ¼ wave length of sodium light
PARALLELISM: parallel to ± 5 minutes of arc deviation
EDGES: straight cut angular, beveled, glazed, fire polished
ANGLES: angular tolerances to ± 5 seconds of arc deviation
FINISHES: free from surface imperfections when, CAD/CAM LABORATORY EQUIPMENTS, educational cnc milling machines manufacturers, educational cnc LATHE machines manufacturers, Strength of Material Testing equipment supplier, mechanical engineering laboratory equipments suppliers, soil, bitumen, concrete testing, civil engineering laboratory equipments suppliers