Spring-Loaded Projectile Launcher Kit with Paper Tape Subcategory_Erlenmeyer Flasks Double-vessel copper calorimeter set with

Double-vessel copper calorimeter set with a 75 by 50mm inner cup on cork supports inside a 100 by 75mm outer shell and a slotted lid

Pairs 75mm of aperture with a 200mm diverging focal length on a double-concave glass lens

Stoppered U-form absorption tube constructed from borosilicate glass supports calcium chloride drying and analytical chemistry procedures

this metal-cased spectroscope pairs a 600 lines/mm holographic replica grating with sample vials and mount

providing a quick swap-in reference for general-purpose AC-circuit and timing-experiment work

Spring-Loaded Projectile Launcher Kit with Paper Tape Subcategory_Erlenmeyer Flasks Double-vessel copper calorimeter set withSpring loaded projectile launcher kit in aluminum with steel latches, firing from 2 to 10 feet across adjustable launch angles and compressions, shipped with a paper tape measure for range work.