LPG Bunsen Burner with Flame Stabilizer and Zinc Alloy Base Mechanics_Kinematics supplying a branched-circuit patch wire

supplying a branched-circuit patch wire where additional leads need to share the same terminal connection

Pan balance demonstration lever with a low-friction brass pivot

PNP transistor on a transparent base with 4mm color-coded sockets and a printed circuit diagram

and a Perspex cylinder

Compares liquid-expansion rates by suspending five removable glass bulbs-and-tubes in a shared heated water trough

LPG Bunsen Burner with Flame Stabilizer and Zinc Alloy Base Mechanics_Kinematics supplying a branched-circuit patch wireDie cast zinc alloy base and integrated flame stabilizer add stability to this liquid propane Bunsen burner for consistent chemistry heating.