United Scientific

Concave mirror with 50mm diameter and 200mm focal length. Made from optically true glass, with scratch- copper back silvering. Pack of 4

Pack of 12 glass mirror strips, 6" x 4" x 2mm thick. Made from plate glass, with highly silvered back.

Reversible racks can be used for 0.5ml or 1.5ml capacity tubes. Both sides of the rack can hold up to 108 tubes, and feature alpha-numeric grid for inventory management. Included transparent lid can...

Convex mirror with 100mm diameter and 100mm focal length. Made from optically true glass, with scratch- copper back silvering. Pack of 2

Concave mirror with 100mm diameter and 100mm focal length. Made from optically true glass, with scratch- copper back silvering. Pack of 2

Alnico Magnets Set Of 4

Rubber Stoppers,2-Hole,#16 Pack of 2

Diffraction Gratings In Slide Viewe,PK 5, Package Quantity 5

Pre-cleaned slides with concavities are 75mm x 25mm, 1.3mm thick, and are packaged in boxes of 12. Spherical concavities are approximately 16mm in diameter and 0.8mm deep. Available with single,...

Pack of 12 clear flint glasses, each 250mm in diameter and 1.8–2.0mm thick. Edges are fine-ground and polished. Watch glasses are not flat and have a slight concavity.

Heavy wire test tube rack includes a durable epoxy coating. Autoclavable. 24 place, 13-16mm tubes.

Pack of three Griffin-style beakers, each with a 2000ml capacity. Molded in polypropylene, with excellent clarity and chemical resistance. Beakers feature pour spout and raised graduations on the...