US$ 65.00
Extended-range rheostat at 10
high-temperature grid flame for chemistry heating
Packaged as a twelve-cylinder classroom set in autoclavable polypropylene
with a clean linear pole structure for field-line mapping work
Heavy-base metal stand with a pillar
14-Piece Morse Code Circuits Kit Gifts_Science Gifts Extended-range rheostat at 10Fourteen piece Morse code circuits kit with a contact key, knife switch, D cell batteries, bulbs, and wire for building basic, series, and parallel circuits while learning telegraphy.
US$ 65.00
US$ 795.00