ROTARY MICROTOME, SPENCER MODEL 820A
Description
A heavy base with hinged cover for protecting the interior mechanism, and knife holder. With every complete revolution of the drive wheel, the feed panel engaged the teeth of rachet wheel which advances the object holder through cone and inclined plane mechanism. Tissue sections can be cut down to even 1 micron. A safety device automatically disengages the feed mechanism. Feed indicator is in front and fed setting is at back of Microtome which sets 1 to 50 microns. A razor 120 mm made from heat treated steel and tested for Micro structure is supplied with instrument. There is an arrangement to tilt angle of the razor adjustable up to 30? on a reference scale.
TECHNICAL SPECIFICATIONS:
Feed adjustment 1-50 micron (in step of 1 micron)
Total feed excursion 28 mm opening of object clamp
Ball and flange type 37 x 25 mm
Overall dimensions 400x250x1 75mm with wooden case
Weight 25 Kg. approx.





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