US$ 59.99
this lamp holder provides connection terminals for fast wiring into series and parallel student-built circuits
used both in galvanic-cell construction and as the photoemitter in classic photoelectric-effect demonstrations
5-liter electric kettle on 220V AC
Insulated 2mm-plug lead in the small-scale lead family
Variable Angle Glass Prism, 30° x 30° x 120° Prong_3 this lamp holder provides connectionStandard 30 apex glass prism with 30 x 30 x 120 geometry, the apex angle approaching minimum deviation territory where small apex changes produce visible deviation shifts.
US$ 59.99
US$ 89.99
US$ 39.99
US$ 15.00