​​​​H. R.  Scientific Works

DYNAMO MODEL A

DECADE RESISTENCE BOX

MOTOR CUM GENERATOR MODEL

copper plate WITH TERMINAL

DEMOUNTABLE TRANSFORMER

DOMESTIC ELECTRONIC CIRCUIT 

MOTOR CUM GENERATOR MODEL

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electric bell model in acrylic

To distinguish between the conductors and insulators. Kit contains five strips of different material (wood, acrylic, copper brass and aluminium), one lamp and one 9V battery mounted on plastic base.

ELECTRIC BELL MODEL IN wooden

ELECTRIC MOTOR MODEL BIG

Wound on rectangular bobbin, for use with 220 – 240 mains. With detachable mains connector with moulded plug, A 4 mm socket is provided for earthing.

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A cycle dynamo, with crank handle, is fitted on base with two output terminals which are connected in parallel to a lamp holder with a lamp

BICYCLE DYNAMO

Conductors and Insulators

danieli cell COMPLETE