An inexpensive and simple optical
Bench
which can be used by junior & senior students alike. It comprises a wooden
base board 1600 x 140 mm (L x W). It has 1.5mtr scale figured in cms and subdivided in
mms, six sliding bases 100 x 50 mm
each with engraved index line, iron pillars with locking screw. Supplied complete
with following accessories: (a) 1 No Lamp house with white lamp 240V, 15 W (b) 1
No White metal
object screen 75 mm diameter with gauze (c) 1 No Holder for lenses 38 diameter (d) 1 No
White Metal receiving screen 100 x 75 mm with a slot for squared paper screen on the
reverse. (e) 1
No Object needle mounted in 6 mm rod. (f) 1 No Plane mirror in
metal frame 100 x 75 mm. All above accessories are mounted on a 6 mm
rod which fits into sliding bases. Optical height
above base board is 125 mm approx. |