US$ 150.00
this demonstration electroscope detects and visually quantifies the magnitude of static charges
Thirteen-piece mix of nine steel and four brass precision weights from 1 gram to 1 kilogram
paired against zinc
the Alnico composition resisting demagnetization for repeatable field-mapping experiments
and a dual-scale screen
7-Metal Density Cubes Set, 20mm (Brass, Lead, Iron, Copper, Aluminum, Zinc, Tin) Entomology & Zoology_Zoology Charts & Models this demonstration electroscope detects andSeven metal 20mm density cube set with element stamped brass, lead, iron, copper, aluminum, zinc, and tin specimens in a snap top case for comparative mass volume calculations.
US$ 150.00
US$ 18.50
US$ 14.99
US$ 18.99
US$ 31.99