Brass Replacement Rod for Thermal Linear Expansion Apparatus LabLearner Four 153 x 76mm plates

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

reconfiguring the demonstration meter for transformer secondary and household-circuit current measurements

this metal-framed bench demonstration board uses variable resistors and switchable inputs to show how a meter measures V

Brass Replacement Rod for Thermal Linear Expansion Apparatus LabLearner Four 153 x 76mm platesBrass 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.