Economy Joule's Calorimeter Capacity_10mL 25-inch frame with draining pins

25-inch frame with draining pins for post-wash inversion and drying

this green LED on a demonstration base with 4mm plug connections lights up when current flows in the correct direction

Emission Control Module - Item # AT-5102

Three-dimensional starfish sectional model reveals echinoderm anatomy

sized as a self-contained module that lights up when current flows the right way for polarity-and-circuit lessons

Economy Joule's Calorimeter Capacity_10mL 25-inch frame with draining pinsMeasures the mechanical equivalent of heat in a classic Joule style economy calorimeter, translating known mechanical work into a temperature rise in a water filled inner vessel.