Transducer Subcategory_Tamper Evident Bags 5-inch magnifying glass at 2

5-inch magnifying glass at 2

Four 153 x 76mm plates - each holding 98 iron-rod plotting compasses in a 14 x 7 matrix - assemble flat or as the faces of a cube to display 2D and 3D field-line patterns

10%Weight (approx

supplied with steel keepers and a cardboard storage box for sustained field strength between hands-on experiments

Transducer Subcategory_Tamper Evident Bags 5-inch magnifying glass at 2Similar to the transmitter and receiver, but containing only a transducer cell. Designed to be connected in parallel. Similar to the transmitter and receiver, but containing only a transducer cell. Designed to be connected in parallel with the output from the internal oscillator of the main transmitter to produce an identical output allowing experiments in double point source interference, etc. to be carried out.