High Alumina Crucible,Conical Form,20M

Set of six versatile spring scales can be used to measure forces using push or pull functions, or to weigh a suspended object from the large hook. Includes one each of the following sizes: 250g / 2.5N; 500g / 5N; 1000g / 10N; 2000g / 20N; 3000g / 30N;...

AA cell battery holder with leads is made from unbreakable plastic. Includes curved tabs to prevent the battery from falling out when the holder is inverted. Pack of 13

Glass lens, 100mm in diameter, mounted on a metal frame. Provides 2.5x magnification. Handle is made of bakelite plastic. Pack of 2

Double convex lens with 50mm diameter and 500mm focal length. Made from plate glass, with carefully ground and polished optical surfaces, and cleanly ground edges. Pack of 4

Handy for storage for sterilization of instruments, these durable polypropylene trays include covers that fit snugly into groves molded into the trays. Can be used to fully immerse pipettes in disinfectant before sterilization. Autoclavable.

Handy for storage for sterilization of instruments, these durable polypropylene trays include covers that fit snugly into groves molded into the trays. Can be used to sterilize small instruments. Autoclavable.

Pack of 10 glass streak plates, each measuring 2" long x 2" wide x 1/4" thick. Designed to test hardness of rocks and minerals.

Pack of 100 nickel-plated pins, 2" long. Pins feature a "T" head which allows for a firm grip, making them easier to insert and extract. Pack of 2

Dissecting tray made of durable stainless steel, with a layer of white wax. Tray measures 12" x 10" x 2".

Oxygen Spectrum Tube

Double convex lens with 38mm diameter and 50mm focal length. Made from plate glass, with carefully ground and polished optical surfaces, and cleanly ground edges. Pack of 4