LPG Bunsen Burner with Flame Stabilizer and Zinc Alloy Base Mechanics_Kinematics Compares liquid-expansion rates by suspending

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

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

providing waterproof chemical-resistant splash protection with a smooth nonporous surface that wipes clean

aluminum displacement vessel

LPG Bunsen Burner with Flame Stabilizer and Zinc Alloy Base Mechanics_Kinematics Compares liquid-expansion rates by suspendingDie cast zinc alloy base and integrated flame stabilizer add stability to this liquid propane Bunsen burner for consistent chemistry heating.