Brass Replacement Rod for Thermal Linear Expansion Apparatus LabLearner and core layers detach one

and core layers detach one by one for geology instruction

500mm black insulated lead with crocodile clips at both ends

Four 153 x 76mm plates - each holding 98 iron-rod plotting compasses in a 14 x 7 matrix - assemble flat or as the faces of a cube to display 2D and 3D field-line patterns

8oz each in borosilicate glass for chemistry-themed entertaining and gifting

Built for cnidarian study

Brass Replacement Rod for Thermal Linear Expansion Apparatus LabLearner and core layers detach oneBrass replacement rod machined to 19 11 16 by 1 4 inch for the PH0371 Linear Expansion Apparatus, used to demonstrate thermal expansion against brass's well documented coefficient.