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A longitudinal section showing detailed structure of the body wall, nematocysts, hypostome, mouth, tentacles and gastro vascular cavity. Also showing the testis, ovary and a portion of tentacle in T. S. An accurate and three dimensional model mounted on stand, with key card.

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All Charts are made on PVC rexine, hand drawn, waterproof, in fast multicolours with a black background. Each chart is provided with rollers to hang on wall. Size 75×100 cm.

1) Pila External character
2) Pila Reproductive system
3) Pila Circulatory system
4) Pila Nervous system
5) Pila Sense organs
6) Pila Respiratory system
7) Pila Digestive system
8) Unio External character
9) Unio Circulatory system
10) Unio Internal Anatomy
11) Unio Nervous system
12) Unio Respiratory system
13) Unio Digestive system

This apparatus illustrates the effect of gravity on the projectile motion. An elastic powered gun is supported from a battery operated small electromagnet. It fires ping pong bullet balls at a model monkey. When the projectile is fired, the electromagnetic circuit breaks. The trajectory is easily visible. Both monkey and bullet fall at the same rate and the bullet always hits the monkey regardless of how far away the monkey is. This proves that the horizontal and vertical motions are independent of each other. This unit includes a table clamp mounting plate and it may also be used as a trajectory apparatus. Requires support stand and low voltage battery, which is not provided with the apparatus

This model exhibits the various tissues and the scattered, closed and collateral vascular bundles in transverse and longitudinal sections in maize. The large pitted vessels, spiral and annular vessels show the cell wall thickenings in L.S. Useful model for teaching anatomy of monocot stem. Mounted on base, with keycard.