Insect and Larva Collecting Net Electricity & Magnetism_Electrochemistry Virtually friction-free 2-meter air track

Virtually friction-free 2-meter air track shipped with vehicles

A safety device automatically disengages the feed mechanism

3 glass features 12/21 cone with flat bottom for sealing ground joint vessels and chemistry apparatus

Glazed porcelain beehive shelf measures 4 inches with glazed interior and exterior for gas collection over water in pneumatic trough procedures

sized for repeated student use on solid-core and stranded wire ahead of crocodile-clip and terminal-block work

Insect and Larva Collecting Net Electricity & Magnetism_Electrochemistry Virtually friction-free 2-meter air trackFine mesh dual purpose net captures adult insects overhead and aquatic larvae below the surface for field entomology and life cycle observation work.