US$ 79.00
Greatly magnified HIV virion model separates into two parts exposing the outer envelope and interior capsid with RNA
and a release valve
and 2 quadruple pulleys on a heavy composite base with capstan
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100mA Shunt for Galvanometer Subject_Botany Greatly magnified HIV virion modelUsed to convert a galvanometer into a 100mA ammeter, this shunt diverts a calibrated fraction of the circuit current around the meter coil to extend the instrument's effective range.
US$ 79.00
US$ 79.00
US$ 21.50
US$ 125.00
US$ 12.95
US$ 112.50
US$ 112.50