Philip Harris Electromagnet 50809

Philip Harris Electromagnet 50809A powerful electromagnet comprising a 'U' shaped soft iron core 100mm x 65mm overall. Formed from a 16mm diameter bar. The windings are of 0. 9mm enamelled copper wire wound on insulation bobbins, connected in series and provided with 4mm sockets. The ends of the core are carefully ground to provide optimum magnetic contact with the armature, which is also ground flat. Winding resistance is approximately 0. 5 A force of about 75N is required to pull

Great quality

com a deftly plotted

Attached to each of the 12 hanging mirror perspex strips is a little bell which responds to the slightest touch

getting the school and classroom environment right

But most importantly

The volume of the tube can be read off the scale and printed against the corresponding pressure taken from the gauge

Each of the items included is a popular bestseller in its own right

this book provides inspiring reading for primary school staff and play workers

This engaging tool makes word building interactive and fun

and offer a discussion and analysis of the role of nutrition and dietary advice

The durable and lightweight tub does not scratch when used with sand

Pack of 156