SENIOR OPTICAL BENCH OSAW TYPE
Consisting of two steel rods of 1 diameter supported on a heavy cast iron feet provided with levelling screws, one rod is graduated in millimetres. Heavy metal sliders each take 12.5mm diameter stem, index mark attached to each slider. With third supporting rod.
Complete with two-lens holders spring type and centring pin.
NOTE: This bench is supplied only in 1&1/2 meter length.
(b) Stainless steel Rod