US$ 1245000.00
1100-turn copper coil on a bobbin sized for a double C-core
Built for bulk liquid measurement
this demonstration electroscope detects and visually quantifies the magnitude of static charges
and an activity guide for introducing circuit construction
supplied with keepers in a cardboard storage box for routine classroom work on field lines
Resistance Unit, Classroom Grade archive-pending 1100-turn copper coil on aFive ohm metal film resistance unit at plus or minus 1% accuracy with a 1. 6V maximum rating, the standard low end Ohm's law value used in current limiting and voltage divider work.
US$ 1245000.00
US$ 2145000.00
US$ 745000.00