US$ 199.99
Two 250-turn coils of 0
and 0-30V with an inclined face
while the pair-form allows attraction-repulsion comparisons in a single setup
the next-step instrument up from the 15 MHz EI-800 for AC-signal
Polypropylene Autoclavable Test Tube Rack for 24 x 25mm Tubes Geology Specimen Collections_Rock & Mineral Collections Two 250-turn coils of 0Interlocking polypropylene test tube rack holding 24 tubes up to 25 mm with a fold up grid, autoclavable for sterilization and disassembling flat for storage.
US$ 199.99
US$ 65.00
US$ 22.00
US$ 22.00
US$ 49.00
US$ 29.99
US$ 129.00