Two Necks Multiple Adapter, 19/26 Socket and 24/29 Cone, Borosilicate Glass Included_Rod chrome metal frame and 75mm

chrome metal frame and 75mm aperture pairing wide field of view with moderate magnification for reading tasks

and Moon on repositionable rods

Dual Fahrenheit and Celsius readings on this 8 by 2 inch plastic wall thermometer

iron nickel-plated hangers

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

Two Necks Multiple Adapter, 19/26 Socket and 24/29 Cone, Borosilicate Glass Included_Rod chrome metal frame and 75mmTwo neck multiple adapter in heavy duty borosilicate glass features 19 26 socket and 24 29 cone for multi component chemistry apparatus.