Borosilicate Glass Eudiometer Tube, 100mL, with Platinum Electrodes Type_Lab Jack Carbon anode-and-cathode pair pre-fitted in

Carbon anode-and-cathode pair pre-fitted in a rubber bung

the higher-viscosity counterpart to the light grade for anaerobic-culture overlay work where slow vapor permeation matters

Used to introduce semiconductor rectification

An 18mm pole gap on this 37 x 13 x 10mm Alnico U-shape concentrates field strongly enough to bend filings into clear field lines

Borosilicate Glass Eudiometer Tube, 100mL, with Platinum Electrodes Type_Lab Jack Carbon anode-and-cathode pair pre-fitted inBorosilicate glass 100mL eudiometer tube with 0. 2mL white graduations and two platinum spark electrodes on the sealed end, sized for gas production and gas law experiments.