The bed is of a heavy casting,
thoroughly aged and machined, is fitted with leveling screws.
On the dovetail guide ways slides the horizontal carriage
which can be clamped at any position by means of a thumbscrew.
A second sliding carriage slides along a gunmetal vertical
pillar fitted on the horizontal carriage. The slow motion
guide bars are made of sturdy material and the motion is very
- True achromatic objective with 7.5 cm.
focussing distance from object
- 10X Ramsden Eyepiece with fine cross
Scale and Vernier
- Horizontal scale : 20cm divided
at 0.5mm interval
- Vertical scale : 15cm divided at
- Vernier scale : 50 divisions with
a least count of 0.01mm