Description

Hand-cranked friction-wheel drive sandwiched between clear acrylic plates

Designed to make multimeter operation visible to students

Cutaway hand-powered Wankel rotary model at 8 by 7 by 3

supplying clean test signals for AC work

Economical U-Form Electromagnet Item Type_Forceps Hand-cranked friction-wheel drive sandwiched betweenTwo 250 turn coils of 0. 46mm copper wire on a 9mm soft iron U form core, drawing 4 6V DC through 4mm sockets to demonstrate how current produces a concentrated magnetic field.

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Economical U-Form Electromagnet Item Type_Forceps Hand-cranked friction-wheel drive sandwiched between

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