Hand-Painted Amphioxus Lancelet Anatomical Model, 150x Magnification Lab Supplies_Stopwatches & Timers Two-ohm reference coil non-inductively wound

Two-ohm reference coil non-inductively wound from double silk-covered constantan on a plastic rod

supplying the next step up from the 1-ohm value for low-resistance investigations of current-versus-voltage behavior

3 borosilicate glass

copper's high conductivity minimizing heat loss during mixing in thermodynamics work

this standard aluminum water bath provides a water reservoir for temperature-sensitive chemistry and biology procedures

Hand-Painted Amphioxus Lancelet Anatomical Model, 150x Magnification Lab Supplies_Stopwatches & Timers Two-ohm reference coil non-inductively woundAmphioxus lancelet model at 150x magnification demonstrates primitive chordate anatomy, notochord, and gill slits for vertebrate evolution teaching.