Products

Aluminum case, glass top

12mm

Iron fillings sealed in a transparent plastic cast that measures approx. 90mm x 65mm x 6mm. Shipping weight, 40 grams.

Student Magnetic Field Demonstrator

Red and Blue plastic covered bar magnets. These magnets are attractive as well as an easy way to teach magnetic attraction and repulsion. Each magnet's dimensions are 80 x 15 x 10mm.

Red/Blue, pair

Inspanidual Accessories for the Optical Bench set

Lens Support, 75mm

Our meters are mounted in color-coded plastic cases. Meters have a scale length of 75mm, offer +/- 2.5% accuracy and come with 5-way binding post and external calibrating screw. Meters are not protected against prolonges or significant overload. Stackable for storage.

0-50mA; 0-500mA; 0-5A
0-1A (20mA); 0-5A (100mA)
0-1A (20mA)
0-3A (100mA)
0-5A (100mA)
0-10A (100mA)
-35mV/+35mV (1mV)
+/-500-0-500uA (20uA)
+/-50-0-50uA (2uA)
0-200mA (4mA)
0-500mA (10mA)
0-500uA (10uA)
0-3V; 0-15V; 0-300V
0-3V; 0-10V; 0-15V
0-3V (0.1V)
0-5V (0.1V)
0-10V (0.1V)
0-5V; 0-15V; (0.1V; 0.3V)

Introductory level metric micrometer graduated to read up to 25mm in 0.01mm spanisions. Comes in a plastic storage case.

Micrometer

Plastic supports to securely hold a mirror in a vertical postion on any flat surface.

Plastic Mirror Support, pack of 6

Optically true, with scratch proof copper back silvering

100mm / 250mm

Set of 2 lenses, 1 concave and 1 convex, 38mm in diameter, 150mm focal length.

Neutralizing Lens Set, 38mm diameter

A pair of lenses, mounted on a metallic frame with three terminals. Weight is 0.5 lbs and dimensions are 4 x 4 x 1.5.

Newton's Ring

Durable aluminum can with spout for use in Archimedes' Principle, density, and specific gravity experiments. Use with Catch Bucket. Overflow Can measures 4I.D. x 5H. Spout is 3/8 I.D. x 3H.

Overflow Can

Aluminum overflow can and catch bucket packaged as a convenient set for use in Archimedes' Principle, density, and specific gravity experiments.

Overflow Can and Catch Bucket Set

Connect this clamp to any support rod to set up three separate pendulum demonstrations. Includes inspanidual cord clams.

Pendulum Clamp

Each vial contains 100 sstrips, 2 x 1/4; pH 1-14.

pH Paper, Wide Range, vial/100 strips.

This handy set for any laboratory contains 5 graduated polypropylene beakers in sizes 50ml, 100ml, 250ml, 500ml, and 1000ml.

Plastic Beakers, Set of 5

A convenient classroom set of 7 graduated ploypropylene cylinders in sizes 10ml, 25ml, 50ml, 100ml, 250ml, 500ml, 1000ml. Shipping weight 1.75 lbs and dimensions are 15.5 x 10 x 4.

Plastic Graduated Cylinders, Set of 7

With lip, and porcelain handles. Casseroles are glazed inside and out.

Porcelain Casserole, 50mm in diameter

Mortars have pouring spout, are glaed outside only, with porcelain pestles glazed to grinding surfaces.

Morter and Pestle, 60mm I.D.

Our Prepared Slides show top quality specimens in Zoology, Botany, General Biology, Histology, Parasitology, Embryology, Fungi, Monera, and Protista. Single Slides and Sets available. Please contact us for a complete listing of available slides.

Prepared Slide Set, 25 Slides
Prepared Slide Set, 100 Slides
Basic Biology Slide Set, contains 12 slides
Prepared Slide Set, 25 Slides

Rugged Plastic Pulley with deep V groves mounted on a metal clamp. Th sheave is 50mm in Diameter. Clamp can be mounted on surfaces up to 35mm thick.

Pulley with Clamp

Each unit consists of a wooden resonator box, tuning fork, and a tuning fork mallet. Resonator box is 18cm x 9cm x 5cm. Available in 3 tuning frequencies listed below. Additional frequencies can be made per you specifications.

256 Hz / C'

Polished Acrylic or Flint Glass prisms

50mm x 47mm x 67mm, Acrylic

Polished flint ACRYLIC prisms.

80mm x 115mm, Acrylic

This molded rubber filter disc is designed to support and seal in place a filter crucible or a funnel in the neck of a filter flask. Inside diameter of the socket at top is 32mm, and outside diameter of the disc is 76mm. The bottom of disc is flat so that it seals tightly against lib of the flask.

Rubber Filter Aid

Convenient assortments of various sizes of rubber stoppers in 1 -lb Bags

Assorted

Slotted screwdrivers with durable plastic handle. Available in two different head sizes

Screwdriver, 120mm long x 2mm head

Boxed set of High Quality Acrylic Prisms, made from clear acrylic sheet, all sides polished. The set consists of sic prisms in a variety of shapes, and an activity guide. Shipping weight - 1.25 lb, dimensions: 10 x 8 x 2. Includes: 1 Rectangular block, 1 Semi-circle, 1 Equilateral prism, 1 Double convex lens, and 2 Double concave lenses.

Set of 6 prisms

Made of plated steel wire for handling cover glasses and slides, carefully and tightly.

Slide Holding Forceps

Strong wooden frame, with hinged cover. Slides fit into, numbered beveled slots. Printed index lines the cover.

Wooden Slide Box, 25 Slide Capacity

Set of 10 slotted weights consisting of 1 each 10g, 2 each 20g, 1 each 50g, 5 each 100g, and 1 each 500 gram weights. Weights are made of brass. Set comes with metal rack. Replacement weights are available separately.

Weight set, slotted, brass, set of 10 weights

This student Blood Pressure Set has a self-adjusting cuff with gauge holder. Comes with a vinyl storage pouch.

Sphygmomanometer

These economical white plastic plates are suitable for most applications in which glass or procelain plates are used; however, they are not recommended for strong solvents such as acetone or xylene. Each plate measures 112 x 92mm. Supplied in a pack of 12.

Spot Plate, 12 Depressions, Polystyrene, pack of 12.

These spring scales feature a clear plastic tube design, and are color-coded. A zero adjustment screw is provided at the top. Overall length approx.7.

250g / 2.5 N

Strong Steel Magnets, painted red, with silver poles. Supplied with keeper.

Steel Horseshoe Magnet, 2

Specially designed and sized Bowles stethoscopes for use by young children (grades K-8). Available in 4 bright colors. Dimensions : 8.5x4.5x1.5. Shipping weight: 6 oz.

Stethoscope, blue tubing

Support for bar magnets or friction rods. Allows magnets or friction rods to hang freely and turn in a horizontal plane. Hooks are 89mm apart. Dimensions 3 1/2 x 2 x 1; shipping weight 10 grams.

Magnet Stirrup