US$ 155.50
and polished — letting an infrared sensor compare emissivity at boiling-water temperature
the broad pole faces giving a flatter field profile than narrow U-shape models
Greatly-enlarged cardiac muscle model exposes myocardial fiber structure
Low temperature gradient - can withstand high temperatures & thermal shocks
this metal wave helix demonstrates pulse propagation
Electric Bell with Banana Plug Terminals, 4-6V AC/DC Material_Bristle and polished — letting anBanana plug terminal electric bell operating on 4 to 6 volts AC or DC with a 2. 75 inch metal bell in a plastic shroud, integrating directly into circuit demonstration builds without soldered leads.