Cast iron, zinc-plated support ring with boss head clamp and thumbscrew. Distance from support to center of ring is 4-1/2". For rods up to 1/2" diameter.
5 inch cast iron, zinc-plated support ring with boss head clamp and thumbscrew. Distance from support to center of ring is 4-1/2". For rods up to 1/2" diameter.
For 40 tubes, 20mm diameter - white 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.
Glass lens, metal rim with plastic handle.
Glass lens, metal rim with plastic handle.
Glass lens, metal rim with plastic handle.
Glass lens, metal rim with plastic handle.
For 60 tubes, 16mm diameter. Yellow. 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 60 tubes, 16mm diameter. Yellow. 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.
Made of steel wire, chrome plated. Stand has a heavy wire gauge top. Overall height is 5", to accommodate all sizes of burners.
Made of zinc plated steel wire. Stand has a heavy wire gauge top with ceramic center. Overall height is 5in, to accommodate all sizes of burners.
Made of steel wire, chrome plated. Stand has a heavy wire gauge top. Overall height is 5", to accommodate all sizes of burners.
Made of zinc plated steel wire. Stand has a heavy wire gauge top. Overall height is 5in, to accommodate all sizes of burners.
Compact pocket loupe, in a sturdy folding metal case. 10x magnification
Compact pocket loupe, in a sturdy folding metal case. 10x magnification
Easy one hand operation. Rotation of the thumbwheel draws or dispenses the liquid with precision and ease. By depressing the side lever the entire contents can be dispensed rapidly. Accepts glass and plastic pipettes. Color coded for sizes.
Connect this clamp to any support rod to set up three separate pendulum demonstrations. Includes individual cord clamps.
Connect this clamp to any support rod to set up three separate pendulum demonstrations. Includes individual cord clamps.
Stainless steel scoop. One pointed end for handling small amount of chemicals. Scoop length, 6 1/2". 5" long hard wood handle.
Stainless steel scoop. One pointed end for handling small amount of chemicals. Scoop length, 6 1/2". 5" long hard wood handle.
Made of steel, and feature a durable black oxidized finish. Customary and metric sizes.
This 1 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 100 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 1/4 pound, 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 1 ounce, 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 50 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 200 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+.
Includes 1 each of 1, 5, 10, 50 and 500 mg weights; 2 each of 2, 20 and 200 mg weights. Comes in rectangular plastic box with rider and forceps
Includes 1 each of 1, 5, 10, 50 and 500 mg weights; 2 each of 2, 20 and 200 mg weights. Comes in rectangular plastic box with rider and forceps
Made of steel, and feature a durable black oxidized finish. Customary and metric sizes.
This 1/2 pound, non-rolling hexagonal mass is made of steel, and feature a durable black oxidized finish. Hexagonal masses are easy to work with and accurate. Suitable for ages 11+.
For one funnel. Attaches to ring stand to support funnel.
Magnetic, polytetrafluorethylene coated. For use with magnetic stirrers.
Two optically ground 1" double convex polished lenses fitted into black plastic threaded lens mount. Screw-in metal tripod stand. Black finish. Magnifies approximately 10 times.
Two optically ground 1" double convex polished lenses fitted into black plastic threaded lens mount. Screw-in metal tripod stand. Black finish. Magnifies approximately 10 times.
Flexible stainless steel blade with rounded end, mounted in a polished wood handle.
6 inch flexible stainless steel blade with rounded end, mounted in a polished wood handle.
Flexible stainless steel blade with rounded end, mounted in a polished wood handle.
4 inch flexible stainless steel blade with rounded end, mounted in a polished wood handle.