US$ 39.99
6oz each in a 4-pack for chemistry-themed home entertaining and science enthusiast gifting
this large earthworm dissection model reveals segmentation
2A with constantan winding on a vitreous-enameled steel tube and a nickel-plated phosphor-bronze sliding contact
Lead-free five-cylinder equal-mass set at 30g each in zinc
Built for identification exercises
1.5m Metal Optical Bench Mechanics_Kinematics 6oz each in a 4-packV location formed by two hexagonal bars and a hexagonal carriage prevents sag along this 1. 5 meter precision optical bench, with a single point central support stabilizing the rail.
US$ 39.99
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