US$ 25.99
controllable flame shape during laboratory heating
and accessories for combined friction and inclined-plane work
Long-format 150 x 10mm chrome-steel cylinder pair with half-red
Offering four-decade rotary selection from 0 to 11
and large-insect preparation
Mercury Trough Rod Size_23.6" controllable flame shape during laboratoryGlazed porcelain mercury trough at 75mm diameter with interior and exterior glazing, chemically resistant for collecting gases over mercury in pneumatic trough experiments.