US$ 82.50
Built for wing-spreading during insect mounting
each one rotating to follow the local field whenever a magnet is placed beneath the plate or alongside it
slotted masses
and horseshoe magnet that swap by hand
and 100 ppm
6-Metal Equal Mass Cylinders Set (Copper, Lead, Brass, Zinc, Iron, Aluminum) Manufacturer_Austerlitz Built for wing-spreading during insectSix equal mass 100g cylinders in copper, lead, brass, zinc, iron, and aluminum at a shared 0. 6 inch diameter, varying length isolating density as the single variable across materials.
US$ 82.50
US$ 15.00
US$ 105.00
US$ 42.50