You have searched for products starting with "D"

Showing cellular structure both in cross and longitudinal section. View Details

Showing cellular structure both in cross and longitudinal section. View Details

Shows structure in cross and longitudinal section. View Details

Consisting of 7 instruments housed in a zip pouch. View Details

Shows the upper and lower dentition of an adult human. View Details

Model showing segment of D.N.A. molecule mechanism. View Details

Brass cup and iron rod held by cork in aluminium cap. View Details

Complete with wooden side rails and plastic feet. View Details

Several trolleys may be stacked on top of each other and are held in position using the dowel rods which fit into holes in the top & bottom of the trolleys. View Details

The design means that the loudspeaker can be used in either a vertical or a horizontal position. View Details

The unit is designed to work with a microphone connected to a computer running sound-editing View Details

The bright xenon tube Didactic Africa makes it ideal for educational uses such as wave, motion and vibration experiments. View Details

A miniature version of this concept is used in flashing bulbs and Christmas lights. View Details

Didactic Africa for using to discharge the Van de Graaff with sparks up to 10 cm. View Details

Each mounted on a base measuring L150 x W150 x H45 mm. View Details

The dynamo output is available at two 4mm sockets for connection to other equipment but a torch bulb View Details

The motor is mounted on a robust wooden base with acrylic end plates with 4mm View Details

The construction of the model is completely open and all components are readily observable. View Details

Electrical output is via 2 pairs of 4 mm sockets (AC and DC) and two LEDs. View Details

A mounted armature, comprising two coils of copper wire, is rotated about a horizontal axis by turning View Details

The unit is screwed onto the outlet of a CO2 syphon cylinder and is operated by Didactic Africa View Details

The chamber requires no high voltage sources. Equipped with a 12 V lamp. View Details

The beam path is visible on the fluorescent grid which is inclined 15 degrees in relation to the beam axis. View Details

Didactic Africa set includes brass, iron, copper, aluminium, hardwood (beech), softwood (pine), nylon, PVC and acrylic. Supplied in wooden box. View Details
Single optical zoom objective from 1 to 5 times magnification. View Details
Material: Plastic This double sided geoboard with 11 x 11 pin grid arrangement on one side View Details
This durable plastic dish balance allows children to measure and compare weights. View Details