Description
Push switch on a demonstration base with 4mm plug connections
sized for compass-deflection and small-scale field-line investigations
and an 18mm attachment diameter for pulling small weights in mechanical-advantage experiments
and field-mapping work
Bobbin-wound transformer coil with 4mm panel sockets
Mason's Hygrometer with Wet and Dry Bulb, Wall-Mounted Racks & Stands_Test Tube Racks Push switch on a demonstrationWall mounted Mason's hygrometer with two identical dual scale thermometers one dry and one kept wet via a water reservoir calculating relative humidity from their paired reading difference.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
