Aluminum Plotting Compass, 4" Diameter Rod Size_23.6" this five-liter polypropylene Euro-design measuring

this five-liter polypropylene Euro-design measuring jug pairs raised graduations with a tapered spout and handle for controlled pouring

Polaroid film 45 x 23mm sits in 50 x 50mm plastic frames as a matched pair

this Brownlee-pattern apparatus gives a clean visual proof of the 2:1 stoichiometry of water decomposition

two movable bridges

and accessories for combined friction and inclined-plane work

Aluminum Plotting Compass, 4" Diameter Rod Size_23.6" this five-liter polypropylene Euro-design measuringAluminum cased 4 inch plotting compass with a glass face, large enough for whole class visibility when tracing magnetic field lines around bar magnets.