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.
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.
3" glass pipet with rubber bulb, straight.
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.
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.
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".
Flint Glass. Standard 30ml (1 oz) square bottle with dropper and rubber bulb forming tight stopper.
Stainless steel spatulas with both ends flat.
Stainless steel spatulas with both ends flat.
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.
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
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!
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.
Large, easy to read numbers and graduations. -40 degreesC to +50 degreesC.
Large, easy to read numbers and graduations. -40 degreesC to +50 degreesC.
• 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)
Same as above with plastisol coated jaw.
Same as above with plastisol coated jaw.
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.
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.
Pure latex gum tubing. A clear amber color. Flexible, with long life under constant use. 3/32" wall thickness.
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
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.
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
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
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.
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.