US$ 17.95
sized to mount alongside a tone generator for converting electrical signals into audible tones during sound-wave demonstrations
drawing 4-6V DC through 4mm sockets for current-versus-lift-force investigations
Frontal and median head sections expose brain
3 glass with excellent strength against breakage
Economy Ceramic Disc Magnet, 25 x 5mm Racks & Stands_Funnel Stands sized to mount alongside aEconomy 25 by 5mm ceramic disc magnet, an individually stocked spare from the disc series for physics labs, craft use, and ad hoc experimental setups.
US$ 17.95
US$ 275.00
US$ 899.50
US$ 17.95
US$ 17.95
US$ 899.50