"SCIENTIFIC hatch"

Recreate the medieval weapon using counterweights.

Metal pulley with rotatable pulley for experiment set up.

Force table is inexpensive and light in weight.

Hooke's Law apparatus, includes weights for demonstration.

Collison in two dimensions apparatus with accessories included.

Wooden moment of force apparatus with accessories.

Economical pulley for simple machine experiments.

This model shows the internal structure and operating principles of an air cooled two-stroke engine.

Show the difference between three pendulums with different lengths.

Total length of rod and pulley is 10". The pulley has a diameter of 2", and is equipped with a metal low-friction bearing installed. The rod is made of durable aluminum, and the pulley is made of durable plastic.

Economical pulley for simple machine experiments.

Economical pulley for simple machine experiments.

Consists of two interconnected cylinders of different diameters based upon two graduated glass syringes of 10mL and 50mL, with cross-sectional area of 3 to 1.

Studying dynamic tension has never been easier with this simple form truss kit. The kit includes a half-meter truss with hooks on both sides, V-shaped clamp.Recommended stand and rod, item 470137-892 Required but not included are masses and spring scale.

This pulley is ideal for use with photogates sensors. Pulley is mounted on free-running ball bearings with minimum friction. Mounted on a removeable rod of 150 x 10 mm diameter.
Diameter 65 mm with spokes
Ideal for use with Photogates

This model shows the internal structure and operating principles of an air cooled two-stroke engine. All parts are aluminum and plastic. Ignition is shown via a small bulb. Carburetor and fuel supply are also sectioned. Hand crank is provided for manual operation. Mounted on a base.