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Wide Range pH Test Papers (1 vial)
Wide Range pH Test Papers (1 vial)
46809

1-14 Paper strips, change for each full pH unit,100 strips per vial.
1-14 Paper strips, change for each full pH unit,100 strips per vial.

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$1.56 Each $1.95 Each
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Crucible Tongs
Crucible Tongs
47589

Riveted joint. Nickel plated. 9 inches long. Also for test tubes and vials.
Riveted joint. Nickel plated. 9 inches long. Also for test tubes and vials.

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$5 Each $6.25 Each
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Dropping Pipets - Dozen
Dropping Pipets - Dozen
15098

3" glass pipet with rubber bulb, straight.

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$2.12 Dozen $2.65 Dozen
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Thermometer Clamp
Thermometer Clamp
11918

Adjustable 360 degrees jaw rotation. For attaching up to 1/2" diameter rods. Aluminum muff with steel thumbscrew.
Thermometer Clamp features an adjustable 360 degree rotating jaw for suspending thermometers. The clamp attaches to rods up to 13mm (1/2") O.D.

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$5.68 Each $7.10 Each
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All-Purpose Plastic Apron - Child (24" x 30")
All-Purpose Plastic Apron - Child (24" x 30")
14567

For efficiency and cleanliness. Reinforced at points of strain (6 mil). Quality tapes at waist and neck.
This 24 inch x 30 inch child size apron is for efficiency and cleanliness. Reinforced at points of strain (6 mil). Quality tapes at waist and neck.

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$3.96 Each $4.95 Each
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Black Rubberized Apron
Black Rubberized Apron
14566

Acid resisting sheeting, very flexible and lightweight. Accepted as a standard lab apron for years. Cut to provide ample comfort and protection from laboratory reagents. Reinforced at points of strain. Cotton tapes at waist and neck. 27" x 36".
Acid resisting sheeting, very flexible and lightweight. Accepted as a standard lab apron for years. Cut to provide ample comfort and protection from laboratory reagents. Reinforced at points of strain. Cotton tapes at waist and neck. 27" x 36".

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$5.56 Each $6.95 Each
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Barnes Dropping Bottle
Barnes Dropping Bottle
47767

Flint Glass. Standard 30ml (1 oz) square bottle with dropper and rubber bulb forming tight stopper.

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$1.24 Each $1.55 Each
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Stainless Steel Spatula - 4" (Flat on both ends)
Stainless Steel Spatula - 4" (Flat on both ends)
14645

Stainless steel spatulas with both ends flat.
Stainless steel spatulas with both ends flat.

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$0.68 Each $0.85 Each
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Draining Tray
Draining Tray
16616

This basket, with wide, net like structure on all sides is useful for draining different laboratory apparatus after washing them. Made of polypropylene, this tray can be autoclaved. Dimensions 16" wide x 16" deep x 4" high.
This basket, with wide, net like structure on all sides is useful for draining different laboratory apparatus after washing them. Made of polypropylene, this tray can be autoclaved. Dimensions 16" wide x 16" deep x 4" high.

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$18.80 Each $23.50 Each
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Ohaus School Balance
Ohaus School Balance
14312

It is the ideal teaching tool to introduce elementary and middle school students to the science of meteorology and has a pivoting beam that provides accuracy to 0.5 gram divisions. The interchangeable red square pans are easily removable for pouring, cleaning, and storage. With a capacity of 2000 grams, mass measurements can be achieved for small items such as paper clips, marbles and coins as well as heavier objects such as books. Pan dimensions: 5.5" (14cm)W x 5.5" (14cm)H
It is the ideal teaching tool to introduce elementary and middle school students to the science of meteorology and has a pivoting beam that provides accuracy to 0.5 gram divisions. The interchangeable red square pans are easily removable for pouring, cleaning, and storage. With a capacity of 2000 grams, mass measurements can be achieved for small items such as paper clips, marbles and coins as well as heavier objects such as books. Pan dimensions: 5.5" (14cm)W x 5.5" (14cm)H

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$56.80 Each $71.00 Each
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Cartesian Diver kitCartesian Diver kit
Cartesian Diver kit
13456

The kit contains enough materials to make thirty captivating Cartesian divers. Learn about the origin of the Cartesian diver and how it works in Steve Spanglers' Soda Bottle Science book. Make Cartesian sinkers, retrievers, helicopters, sealed divers, and many more. The kit is great for teachers and students alike. Super science fair ideas!

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$19.95 Each $31.50 Each
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Hand Magnifier - 2"
Hand Magnifier - 2"
11947

Good quality, one-piece plastic frame. Glass lens.
50mm magnifying glass with glass lens molded into a high quality unibody plastic frame. 2.5x magnification.

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$2.36 Each $2.95 Each
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Economy Thermometers (Pack of 10)
Economy Thermometers (Pack of 10)
13354

Large, easy to read numbers and graduations. -40 degreesC to +50 degreesC.
Large, easy to read numbers and graduations. -40 degreesC to +50 degreesC.

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$11.96 Pack $14.95 Pack
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Classroom Liquid Measurement Set (Set of 19)Classroom Liquid Measurement Set (Set of 19)
Classroom Liquid Measurement Set (Set of 19)
15706

• Deluxe set includes everything needed to teach liquid measurement and equivalencies
• Students will recognize, measure and estimate liquid volumes
• Set includes 5 Measuring Jars, 3 Liquid Measurers, 5 Measuring Cups, and 6 Measuring Spoons
• All pieces are clearly marked and made of durable plastic
• Ages 5+


This deluxe set is the perfect sized classroom set for learning measurement equivalents. Students practice customary capacities, liquid measurement and metric conversions with suggested activities included. Made of durable plastic, each piece is clearly marked to provide years of use. Includes teacher's guide. Set includes a liquid measuring cup (8oz/250ml), pint (16oz/500ml), quart (32oz/1000ml), standard spoons, 1 teaspoon,1 tablespoon, standard cups, measuring jars with gill, pint, quart, half-gallon, gallon (metric 100ml-3000ml)

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$26.36 Set $32.95 Set
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Burette Clamp - Standard w/ Plastisol Coated Jaws
Burette Clamp - Standard w/ Plastisol Coated Jaws
15100

Same as above with plastisol coated jaw.
Same as above with plastisol coated jaw.

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$10 Each $12.50 Each
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Clamp Holder - Standard
Clamp Holder - Standard
11915

Cast iron. Nickel plated. With 1/4' steel thumbscrews. For rods up to 3/4" diameter.
Cast iron. Nickel plated. With 1/4' steel thumbscrews. For rods up to 3/4" diameter.

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$4.40 Each $5.50 Each
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All-Purpose Plastic Apron - Adult (27" x 36")
All-Purpose Plastic Apron - Adult (27" x 36")
46906

This 27 inch x 36 inch adult size apron is for efficiency and cleanliness. Reinforced at points of strain (6 mil). Quality tapes at waist and neck.

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$3.16 Each $3.95 Each
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Rubber Tubing (per foot)
Rubber Tubing (per foot)
16848

Pure latex gum tubing. A clear amber color. Flexible, with long life under constant use. 3/32" wall thickness.

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From $1.34 $1.68 Foot
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58-Piece Metric Weight Set
58-Piece Metric Weight Set
16540

Set contains twenty each of 1 g and 5 g, ten 10 g, four 20 g, two 100 g, and one each of 500 g and 1000 g weights. Stackable, color-coded weights come in a plastic storage box. Ages 8-13
Set contains twenty each of 1 g and 5 g, ten 10 g, four 20 g, two 100 g, and one each of 500 g and 1000 g weights. Stackable, color-coded weights come in a plastic storage box. Ages 8-13

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$23.96 Set $29.95 Set
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Pocket Microscope
Pocket Microscope
11041

This is the perfect "carry-with-you" magnifier-microscope. Just 5 1/4" x 1 3/4" x 3/4" with a built-in light source and optics to let you see objects 30 times their actual size. Uses two "AA" batteries (not incl.) and features a center focus wheel for precise one-hand operation. Ideal for inspecting gems, photos, stamps, coins, and learning about plants and insects.
This is the perfect "carry-with-you" magnifier-microscope. Just 5 1/4" x 1 3/4" x 3/4" with a built-in light source and optics to let you see objects 30 times their actual size. Uses two "AA" batteries (not incl.) and features a center focus wheel for precise one-hand operation. Ideal for inspecting gems, photos, stamps, coins, and learning about plants and insects.

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$9.80 Each $12.25 Each
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Rectangular Base Ring Stand - 1/2" x 24" Rod
Rectangular Base Ring Stand - 1/2" x 24" Rod
11921

Stamped steel base. Black enamel finish. Zinc plated, detachable rod. 6" x 9" base
Stamped steel base. Black enamel finish. Zinc plated, detachable rod. 6" x 9" base

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$12.40 Each $15.50 Each
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Rectangular Base Ring Stand - 5/16" x 18" Rod
Rectangular Base Ring Stand - 5/16" x 18" Rod
11920

Stamped steel base. Black enamel finish. Zinc plated, detachable rod. 4" x 6" base
Stamped steel base. Black enamel finish. Zinc plated, detachable rod. 4" x 6" base

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$8.76 Each $10.95 Each
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Latex Sensi-Grip Exam Gloves - Medium (Box of 100)
Latex Sensi-Grip Exam Gloves - Medium (Box of 100)
WC183P/M

FDA Approved Sensi-Grip Lightly Powdered Latex Exam Gloves offer unsurpassed tactile sensitivity, dexterity, flexibility and tensile strength. They are manufactured using only the highest quality raw materials. These gloves are lightly powdered with a special low magnesium, biologically absorbable cornstarch to make donning easy, and all day wear comfortable. Each glove is chemically resistant to alkalies, acids, alcohols, and ketones. Applications: Dental, Industrial, Laboratory, Medical, Safety. 100 per box.
FDA Approved Sensi-Grip Lightly Powdered Latex Exam Gloves offer unsurpassed tactile sensitivity, dexterity, flexibility and tensile strength. They are manufactured using only the highest quality raw materials. These gloves are lightly powdered with a special low magnesium, biologically absorbable cornstarch to make donning easy, and all day wear comfortable. Each glove is chemically resistant to alkalies, acids, alcohols, and ketones. Applications: Dental, Industrial, Laboratory, Medical, Safety. 100 per box.

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$7.96 Box $9.95 Box
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Jumbo Full View Test Tube Rack
Jumbo Full View Test Tube Rack
16612

Unique design gives you greater visibility of tube contents. Sturdy dual-purpose rack can be used as test tube support and drying rack. No accidental tipping of racks. Will not scratch or break test tubes. Racks are easy to clean, are chemically resistant and autoclavable. Dimensions 11 1/8" wide x 5 1/4" deep x 2 5/8" high. Will hold up to 160 test tubes 10-13mm in diameter and has 189 drying pins. Made in USA.
Unique design gives you greater visibility of tube contents. Sturdy dual-purpose rack can be used as test tube support and drying rack. No accidental tipping of racks. Will not scratch or break test tubes. Racks are easy to clean, are chemically resistant and autoclavable. Dimensions 11 1/8" wide x 5 1/4" deep x 2 5/8" high. Will hold up to 160 test tubes 10-13mm in diameter and has 189 drying pins. Made in USA.

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$27.16 Each $33.95 Each