Senior Rotary Microtome Model GE-70
( LATEST SPENCER 820 TYPE)
For very precise sectioning of tissue upto 1 micron thickness. The feed indicator, located in front of Spectrometer Standard (College Type) Model GE-74
The spectrometer consists of a telescope and a collimator mounted on a stable heavy C. I. base with three levelling screws. The protected 150 mm (6") or 175 mm (7) " scale divided into 0-360 degrees in steps of half degrees can be read from both scales & moves along with the telescope to give its exact position. It gives accuracy of one minute of an arc or 30 seconds of an arc. Telescope is having an achromatic objective of 7" focal length and a Ramsden Eye Piece with a cross line graticule. The collimator is also fitted with 7" objective & adjustable precision vertical slit with jaws of non rusting metal. Both the telescope & collimator are having fine rack & pinion motion. In the centre of the table there is a prism table for clamping of prism or diffraction grating. Packed in a sturdy wooden box with instruction manual & duster.
L Available in Brass and Stainless Steel scale in both the sizes of 15. 0 cm (6") and 17. 5 cm (7") of protected circle.
Deluxe Spectrometer Model GE-74B
Specifications are same as above. Only fine adjustment to the telescope and collimator tubes are provided laterally as well as vertically for adjusting alignment. Available in both Brass and S. S. Scale in size of 6" and 7".