Crook's Radiometer
Partially vacuumed glass sphere with a diameter of 70 mm, containing in the center an axis with 4 thin metal blades.
One side of the blades is darkened and the other is ligh...
Diffraction grating
This diffraction grating allows a spectral analysis to be carried out, based on the intensity maxima associated with each wavelength.
It is a very useful instrument in the ...
Diffraction grating (100, 300 and 600 lines/mm)
To demonstrate the principle of the diffraction grating and how its properties depend on the number of lines per unit length.
It comprises a car...
Triple grating illustrating the relationship between linear deviation and diffraction angle. The three gratings (100, 300 and 600 lines/mm) are mounted on a frame.
O reóstato linear é um dispositivo resistivo utilizado para controlar o fluxo de corrente elétrica em circuitos. Este tipo de reóstato possui uma configuração linear, o que significa que a resistên...
Resistance for calorimetric blocks (12V - 50W)
Immersion heater designed specifically for use with metal block calorimeter. It has heat resistant insulation, terminating in 4mm sockets.
For u...
Resistances, on base
3 resistors of different values with a power of 1 W.
Features
4mm connection terminals.
Mounted on an ABS base.
Dimensions: 100x75x35 mm
Bicycle Wheel (Demo Gyroscope)
With spherical bearings on which a resistant rubber tire is mounted to ensure a long moment of inertia.
At each end of the axle, there is a handle that when push...
Pulley with adapter for universal support
Fixed to an aluminium structure, 20x20x110 mm, with three holes that allow the use of bars up to 13 mm in diameter and a fixing screw.
This pulley can...
Pulley with adjustable longitudinal axis
The heavy-duty metal clamp pulley can be used to demonstrate a wide variety of mechanical principles.
The metal pulley is 5cm in diameter and can be ad...
Pulley with clamp for bench
Fixed to a bipartite aluminum structure, with a clamp for fixing to a bench up to 25 mm thick.
Features
50mm diam.
Total frame length 110 mm.
Pulley with universal clamp
It consists of a 70mm diameter light alloy pulley, attached to an alloy support, with two fixing screws for the bench and rod support.
Fixed to a light alloy suppor...
Metal pulley
Parallel double pulley, 4.25" long.
It has two wheels close to each other.
Both wheels measure 2" in diameter.
The wheels are surrounded by a metal frame and have hooks at bot...
Plastic pulley (ø 50mm)
Plastic pulley with 50 mm diameter. The bearing pin is easily removable and has a simple locking system that prevents the pin from coming out accidentally.
The blocks ar...
