(A) 0-32% - 0.2% minimum scale.
(B) 28-62% - 0.2% minimum scale combined with nD 1.377 to 1.440 for Nacl reading.
(C) 58-92% - 0.2% minimum scale.
7 inch dia scale spanided in 360 0
Vernier least count 1/10 0
10x Remsden Eyepiece with fine cross reticule
1 inch dia achromatic objectives
Adjustable slit with spring loaded jaws
Accommodate prism upto 38mm height
Once piece alloy alluminium casted body
Cardboard packing, instruction manual, dustcover