Catalogue No.
1258
Bi-PRISM ASSEMBLY COMPLETE WITH DOUBLE ROD OPTICAL BENCH
It consist of double rod optical bench of 1.5 meter long as per Cat No. 1211 ( a or b or c - any one of type) with five riders
It consist of double rod optical bench of 1.5 meter long as per Cat No. 1211 ( a or b or c - any one of type) with five riders, Bi-Prism
assembly of Cat No. 1256. Supplied without sodium vapour lamp unit.