Air-cooled, four strokes, with the operation of valves clearly shown. Mounted on a polished wooden base with schematic diagram, overall height 450 mm approx.
Dynamic carts with low friction ball bearing wheels and space to carry five ordinary brick. Each cart is supplied with one heavy and one light bumper spring, which can be easily changed. Complete with a loop spring and instructions. Each cart measures 7.5 x 25 cm, exclusive of wheels and bumper spring.
This set includes a fiction block and a friction board, both made of smoothly finished pine wood. The friction block has a hook for the spring scale and two compartments for additional weights. It can be placed face-up or sideways. Students can vary the weight or area of contact to see their impact on the friction force. Comes with three…
Use this friction block with an attached hook for force and motion studies. This wood block measures approximately 6" x 3" x 1.25" and weights about 5.75 ounces.
To understand the relation between friction and smoothness of materials consists of three wooden blocks measuring approximately 3-15/16″ L x 2- 3/4″ W with hooks. The first block has a polished side, the second has a sandpaper side, and the third has an aluminum side. Complete with the polished wooden base measuring 14″ L x 2-3/4″ W.
To illustrate the concept that friction depends on the nature and smoothness of materials. The kit consists of a glass mirror with sandpaper affixed to one side and two wooden blocks, one with a hook and the other with an eye. The latter block has a mirror cemented to one face. Both static and sliding frictional forces between different surfaces…
To Study the effects of friction using 4 different surface materials on a board Includes surface board, hooks and wooden blocks, With instruction manual.
To ex plain bas ic concepts of electronics. High quality solder less breadboard Easy to build and learn Symbolic representation of components Color coding chart to read resistor values This Kit introduces students to Ohm's Law, resistors, capacitors, semiconductors and transistors. T his kit includes a breadboard on base, LEDs (Red and Green), capacitors, resistors, switches buzzer, transistors (NPN and…
General purpose student bench meters with full-scale accuracy of ±2.5% and overload protection. Additional features: large 3" scale, external zero-adjust calibration, and fully enclosed plastic case with inclined meter face. -500-0-500 µA (20 µA).
A set of 6 glass spherical mirrors with back surface slivering. Three convex and three concave mirrors, all of 50mm diameter. Focal lengths are: 60mm, 100mm, 200mm, -60mm, -100mm and –200mm. Ages 13+
Gyroscope with Gimbal Cradle is an excellent, inexpensive apparatus, which is used to explore the mysteries of precession, inertial guidance, gyroscopic compasses, and stabilization. It is precision machined and balanced and runs smoothly with little vibration. Provided with pull string with handle, weight set, and support hook. A pendulum mounting is also supplied that can be used for investigating the…
Molded body with a central well for additional masses. A hole in one end of the body enables a cord to be attached. Dimensions: approx. 13 x 5 x 3.5 cm.
This durable carriage has a one-piece high-impact plastic body. The machined aluminum wheels and axles are mounted on hardened steel cone bearings for minimum friction and long life. Designed to be used with all types of inclined planes. 5 3/4” L. Ages 13+
A simple, effective apparatus demonstrates the heat conductivity of various metals. Four metal bars (Copper, Aluminum, Brass, and Steel) are mounted on a base with a hole for suspension. Every metal bar has the same cross-sectional area and its conductivity value is marked on the back of the base. The sensitive temperature indicators are attached to the front of each…
To observe heat transfer under different conditions by measuring the temperatures of the insulated containers before and after connecting them with the metal bar. Consists of two insulated containers, two thermometers, and a metal bar and an instruction manual.
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Hero’s Engine demonstrates the principle of jet propulsion. The apparatus consists of a small Erlenmeyer flask with a rubber stopper and two tubes with tangentially oriented jets. A collar is provided around the flask to hang it above a heating source. When water boils inside the flask, steam escapes the jets and the flask spins.
