Rotary Microtome Type_Dual End Cutaway hand-powered Wankel rotary model

Cutaway hand-powered Wankel rotary model at 8 by 7 by 3

plus 2-dot orbital joints in a fitted storage case

and a right-side zero reset

Size 00 museum-grade entomology pins in a hundred-pack

Rotary Microtome Type_Dual End Cutaway hand-powered Wankel rotary modelHeavy base with hinged cover for protecting the interior mechanism,and knife holder. A razor 120 mm made from heat treated steel and tested for Micro structure is supplied. 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 ratchet wheel which advances the object holder through cone and inclined plane mechanism. A safety device