Brass Replacement Rod for Thermal Linear Expansion Apparatus LabLearner 500mm black insulated lead with

500mm black insulated lead with crocodile clips at both ends

Tangent-galvanometer instrument that derives current absolutely from compass-needle deflection against Earth's horizontal field

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

Sets a 75 by 50mm plane glass mirror onto a wooden block

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

Brass Replacement Rod for Thermal Linear Expansion Apparatus LabLearner 500mm black insulated lead withBrass 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.