Rotary Microtome Type_Dual End closing a circuit by inserting

closing a circuit by inserting the plug into the gap between the copper blocks

Life-size elbow joint model shows humeroulnar and humeroradial articulations with supporting ligaments and arm muscle insertions for upper-limb anatomy teaching

02A resolution

75-inch steel ball for demonstrating centripetal acceleration and energy conversion

plus 2-dot orbital joints in a fitted storage case

Rotary Microtome Type_Dual End closing a circuit by insertingHeavy 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