Heavy Duty Cast Metal Newton's Second Law Apparatus, 10 x 2.5" Base Subcategory_Specific Gravity Bottles sized for the medium-pitch terminal

sized for the medium-pitch terminal screws on bench supplies

sized for very-high-turn-count coil construction and microcurrent prototyping work

Plastic sheath and rubber hanging cap on this 12-inch yellow-backed spirit thermometer reading -10 to 110°C

Student-sized electrophorus with a 15cm plastic charge plate and a metal disc on an insulated handle

Heavy Duty Cast Metal Newton's Second Law Apparatus, 10 x 2.5" Base Subcategory_Specific Gravity Bottles sized for the medium-pitch terminalCast metal Newton's Second Law apparatus on a 10 by 2. 5 inch base with a two tension setting spring gun and visible internal components, mounted on a 7. 5 inch rod for clamp stand setups.