Set of 20 Rocks Cardboard Box Biology_Dissection Polished wood pipette rack holds

Polished wood pipette rack holds 24 pipettes vertical in a 16

Largest-value decade capacitance box stepping 10uF to 100uF in 10uF increments at plus-or-minus 5% on 63V

used both in galvanic-cell construction and as the photoemitter in classic photoelectric-effect demonstrations

Used to measure higher-current circuits up to 10 amps

Set of 20 Rocks Cardboard Box Biology_Dissection Polished wood pipette rack holdsSet of 20 Collections. Each specimen labelled with name. Set of 20 Collections of Igneous, Sedimentary, Metamorphic rocks containing different rock specimens supplied in carboard box. Each specimen labelled with name.