Plastic construction one piece, open bottom for viewing insects and small objects, clear acrylic sides for light to pass through. 1.8" diameter lens, 8x magnification fixed focusing. Bottom diameter 2.25". Total height 2.1".
Plastic construction one piece, open bottom for viewing insects and small objects, clear acrylic sides for light to pass through. 1.8" diameter lens, 8x magnification fixed focusing. Bottom diameter 2.25". Total height 2.1".
2.5X Magnifier Set. Affordable and dependable plastic magnifiers. Get one for every student in your classroom. 1 1/4" diameter lens. Set of 12.
Stainless steel spatulas with both ends flat.
Stainless steel spatulas with both ends flat.
Adjustable 360 degrees jaw rotation. For attaching up to 1/2" diameter rods. Aluminum muff with steel thumbscrew.
Clamp with Hook can be rotated and locked in any position. Ideal for supporting suspended thermometers, drying tubes, etc. The clamp attaches to rods up to 13mm (1/2") O.D.
Quality white clay pipe stems. Galvanized iron wire. 2" side length.
Quality white clay pipe stems. Galvanized iron wire. 2" side length.
Tinned iron. Ceramic. Turned edges.
Tinned iron. Ceramic. Turned edges.
3" glass "medicine dropper" with rubber bulb.
For 24 tubes, 25mm diameter. Red. Steam autoclavable up to 121 deg C (250deg F). Can be disassembled for storage. Dimensions 9.75" wide x 4" deep x 2.5" high.
For 24 tubes, 25mm diameter. Red. Steam autoclavable up to 121 deg C (250deg F). Can be disassembled for storage. Dimensions 9.75" wide x 4" deep x 2.5" high.
• Discover the invisible world of magnetic forces
• "Draw" pictures with magnets
• Test the strength of magnets
Discover the invisible world of magnetic forces. Draw pictures with magnets. Make a magnetic driving test. Test the strength of magnets and learn how to lift objects without touching them! Explore the basic principles of magnetism with twelve hands-on experiments. Includes a full-color 16-page guidebook with simple step-by-step instructions and lots of pictures. Kit contains the necessary parts. Ages 5 and up.
Quickly removes insulation without damaging wire. Set screw adjusts stripper to fit wire gauges from 10 to 24. Made from drop-forged, heat treated steel with black baked enamel finish. PVC handles. Total length is 4 inches.
Made from clear glass sheet, (1.8 to 2.0 mm thick) fine ground and polished edges. Packed in boxes of 12.
These 125mm Watch Glasses are made from clear flint glass (1.8 to 2.0mm thick), and have fine ground and polished edges. Packed in boxes of 12.
Made of steel, and feature a durable black oxidized finish. Customary and metric sizes.
This 1000 gram, non-rolling hexagonal mass is made of steel, and features a durable black oxidized finish. Hexagonal masses are easy to work with and accurate. Suitable for ages 11+.
Made of steel, and feature a durable black oxidized finish. Customary and metric sizes.
This 500 gram, non-rolling hexagonal mass is made of steel, and features a durable black oxidized finish. Hexagonal masses are easy to work with and accurate. Suitable for ages 11+.
Economical metal vernier caliper with 140mm capacity. Features inside and outside jaws, full length depth gauge, friction ruler and sliding lock for gauging. Graduated in millimeter and 1/16th of an inch.
Economical metal vernier caliper with 140mm capacity. Features inside and outside jaws, full length depth gauge, friction ruler and sliding lock for gauging. Graduated in millimeter and 1/16th of an inch.
Flexible stainless steel blade with rounded end, mounted in a polished wood handle.
8 inch flexible stainless steel blade with rounded end, mounted in a polished wood handle.
White nylon test tube brush. Radial end. 10" long
White nylon test tube brush. Radial end. 10" long
White nylon test tube brush. Radial end. 9" long.
White nylon test tube brush. Radial end. 9" long.
10" long, prongs covered with rubber tubing.
10" long, prongs covered with rubber tubing.
Steel base. Black enamel finish. Zinc plated, detachable rod. 5" Base
Steel base. Black enamel finish. Zinc plated, detachable rod. 5" Base
For 22mm-25mm tubes. Holds 30 tubes. 44 drying pins Great visibility and very compact. Constructed of polyethylene, is autoclavable and extremely stable. Size is about 10" x 4" x 3".
For 10mm-13mm tubes. Holds 80 tubes. 102 drying pins. 44 drying pins. Great visibility and very compact. Constructed of polyethylene, is autoclavable and extremely stable. Size is about 10" x 4" x 3".
For 10mm-13mm tubes. Holds 80 tubes. 102 drying pins. 44 drying pins. Great visibility and very compact. Constructed of polyethylene, is autoclavable and extremely stable. Size is about 10" x 4" x 3".
Made of polypropylene, this autoclavable, unbreakable and non-corrosive basket is ideal for rinsing and draining glassware. It's also useful for storage of test tubes or culture tubes during sterilization or incubation. Dimensions 160mm x 160mm x 160mm.
This parameter is important in determination of the corrosive properties of water, caused by carbonates, bicarbonates as well as dissolved salts. Testing alkalinity is important in the treatment of drinking water, waste water, swimming pools, heating and cooling systems, food and beverage systems, and soil and environmental testing, as well as in agriculture, farming and fish farming. Includes 110 tests.
Easy to read LCD display. On/Off switch. Never needs calibration. Range: -58 degrees to 300 degrees Fahrenheit
Easy to read LCD display. On/Off switch. Never needs calibration. Range: -58 degrees to 300 degrees Fahrenheit