750mm Red 4mm Insulated Connecting Lead Disposable_Disposable Eisco Labs borosilicate glass has

Eisco Labs borosilicate glass has the following heat tolerances: Strain Point 515°C | Annealing Point 565°C | Softening Point 820°C

Pairs 50mm of aperture with a 200mm focal length on a convex glass surface

5 by 4-inch ventilation apparatus modeling historic mine-gallery airflow and domestic chimney convection through a candle-driven hot-air-rise demonstration

packaged in a wooden storage box

Compact-format sonometer designed to study the physics of vibrating strings on a footprint smaller than the standard 1-meter teaching unit

750mm Red 4mm Insulated Connecting Lead Disposable_Disposable Eisco Labs borosilicate glass hasUsed as the red rail partner to the 750mm black 4mm lead, this insulated wire keeps polarity color coded across the mid distance between instruments and student built bench circuits.