US$ 129.50
Plastic-resin Hall's carriage at 5
Used as the positive-rail counterpart to the long black lead
used as the standard positive partner to ebonite in triboelectric investigations
and nucleus out of the cell body for hands-on organelle identification in cell biology teaching
each feature labeled on an included key card
Cast Iron Stump Base, 2.3", Black Entomology & Zoology_Dissection Plastic-resin Hall's carriage at 5Cast iron stump base with a black chemical resistant coating, 2. 3 inches wide and 1. 75 inches tall, supporting 13 mm rods for compact small scale laboratory stand setups.
US$ 129.50
US$ 25.95
US$ 157.50