Transducer Subcategory_Tamper Evident Bags supplied with steel keepers and

supplied with steel keepers and a cardboard storage box for sustained field strength between hands-on experiments

5-inch diameter artery cross sections reveals atherosclerosis

this 25-pack of pre-racked 15mL sterile polypropylene centrifuge tubes arrives ready for immediate bench use

5-inch magnifying glass at 2

Pink-dotted ends and steel keepers across this 50 x 12mm Alnico cylinder pair simplify pole identification while the keepers preserve field strength during cardboard-box storage

Transducer Subcategory_Tamper Evident Bags supplied with steel keepers andSimilar to the transmitter and receiver, but containing only a transducer cell. Designed to be connected in parallel. Similar to the transmitter and receiver, but containing only a transducer cell. Designed to be connected in parallel with the output from the internal oscillator of the main transmitter to produce an identical output allowing experiments in double point source interference, etc. to be carried out.