Mounted Resistance Coils Length_55mm Shatter-resistant acrylic burette with a

Shatter-resistant acrylic burette with a PTFE key stopcock and Class B accuracy per DIN ISO 385

linking to additional holders in series or parallel to extend bench-circuit voltage or capacity without soldering

the unit also runs as a motor on 6-8V DC for energy conversion demos

Polyhedral 120mL glass alcohol lamp ships with a metal cap and fiber wick for low-temperature bench heating in chemistry and biology demonstrations

Mounted Resistance Coils Length_55mm Shatter-resistant acrylic burette with aUsed to compare resistance against gauge, length, and material, this mounted board carries five labeled wire coils 22 and 28 gauge copper at 10m and 20m, plus a 22 gauge copper nickel.