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 every 1 micron. A safety device automatically disengages the feed mechanism. Feed indicator is in front and feed setting is at back of Microtome which sets 1 to 50 micron. A razor 120mm 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 upto 30° on a reference scale.