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.
This magnifier offers an extra large field of view, hands free use, and folds down to a compact size for storage. 10cm lens. 6X magnification. Measures 7" x 5 3/4" x 2"
This magnifier offers an extra large field of view, hands free use, and folds down to a compact size for storage. 10cm lens. 6X magnification. Measures 7" x 5 3/4" x 2"
Well constructed. Hardwood. Test tube supports being made of 5/16" stock are much stronger than the ordinary grade. Post joints of the heavy base supports are glued and nailed top and bottom. All other supports assembled with dovetail joint. All supports finished in paraffin oil.
Well constructed. Hardwood. Test tube supports being made of 5/16" stock are much stronger than the ordinary grade. Post joints of the heavy base supports are glued and nailed top and bottom. All other supports assembled with dovetail joint. All supports finished in paraffin oil.
Good quality, one-piece plastic frame magnifying glass. Glass lens.
75mm magnifying glass with glass lens molded into a high quality unibody plastic frame. 2.5x magnification.
Griffin type. Made of Zinc alloy. Die cast. Nickel plated. Cuts tubing up to 38mm (1 1/2") diameter. Spring loaded to stay open.
Self-closing with rectangular jaw made of brass wire. 5" long. Will hold up to 1" diameter tubes (25mm)
Self-closing with rectangular jaw made of brass wire. 5" long. Will hold up to 1" diameter tubes (25mm)
Black bristle. Double tufted end. 1 3/4" brush diameter. 16" overall length.
Black bristle. Double tufted end. 1 3/4" brush diameter. 16" overall length.
Box of 100, Smooth. Medium Flow rate and retention. Suitable for 95% of laboratory qualitative studies.
With cork-covered jaws, 8" total length.
With cork-covered jaws, 8" total length.
Stainless steel spatulas with both ends flat.
Stainless steel spatulas with both ends flat.
Light weight but strong. Soft nylon net attached to a metal frame 10" (250mm) dia. The net is about 11" (280mm) deep. Telescopic handle 0.85" (22mm) thick, extends from 18" (460mm) to 30" (770mm), twist of the handle locks and unlocks the handle at varying lengths.
This is the world's most acclaimed hand-held detector. For many years now, it has been the hand-held detector of choice by law enforcement officials and security personnel. Ultimate sensitivity not subject to arbitrary adjustment. Order Recharge Kit (SA115P) separately.
Super Stripe Traffic Paint is heavy-duty and lays miles of lines so you get more stripes per dollar. One case will give you about 2,400 linear feet of bright crisp 3" lines. Perfect for parking lots, floors and safety zones. 12 cans/case.
• 360 degree viewing area
• Intended to prevent collisions at 4-way intersections
• Ideal for monitoring rooms with obstructed views
• Acrylic lens with good weather resistance
• Impact resistant with high reflectivity
• Mounting hardware and instructions included
• Recommended for viewing areas up to 18 feet
18" Full Dome Security Mirror with 360 degree viewing area. Intended to prevent collisions at 4-way intersections and for monitoring rooms with obstructed views. Acrylic lens with good weather resistance and impact resistance with high reflectivity. Mounting hardware is included along with easy to follow instructions. Recommended for viewing areas up to 18 feet.
Porcelain. Glazed inside and outside except bottom outside surface.
Porcelain. Glazed inside and outside except bottom outside surface.
Porcelain. Glazed inside and outside except bottom outside surface. Outside Diameter: 53mm, Height: 46mm
Sturdy plastic, calibrated in grams and ounces (1000g/2.2 lbs.). Zero adjustment dial for accuracy. 5" x 3" x 3/4".
Sturdy plastic, calibrated in grams and ounces (1000g/2.2 lbs.). Zero adjustment dial for accuracy. 5" x 3" x 3/4".
This scale offers a large faceplate for easy viewing. A versatile and inexpensive way to measure a variety of materials in classrooms and laboratories. Sturdy aluminum scales have giant numbers that will be visible from anywhere in the classroom. 8 1/2 inch diameter. 20N capacity, 0.5N readability
This scale offers a large faceplate for easy viewing. A versatile and inexpensive way to measure a variety of materials in classrooms and laboratories. Sturdy aluminum scales have giant numbers that will be visible from anywhere in the classroom. 8 1/2 inch diameter. 20N capacity, 0.5N readability
Perfect for counting, measuring and patterning. Plastic 1 cm cubes in 10 colors come in a storage tub with Activity Guide. Grades 1 +
This set of 500 Centimeter cubes is perfect for counting, measuring and patterning. Plastic 1 cm cubes in 10 colors come in a storage tub with Activity Guide. Grades 1 +
Porcelain. Glazed inside and outside except bottom outside surface. Outside Diameter: 35mm, Height: 300m
Porcelain. Glazed inside and outside except bottom outside surface. Outside Diameter: 35mm, Height: 300m
Capacity: 2610 Grams Sensitivity: 0.1 Grams Calibrations: Front Beam - 10g x 0.1g, Center Beam - 500g x 100g, Rear Beam - 100g x 10g Adam's Triple Beam is today's best value for teaching mass measurement concepts from a brand scientists worldwide have trusted for over thirty years. It offers the functions and durability you need in a generous 2610g capacity plus an array of special classroom features that you will appreciate. With a larger overall body than other triple beam balances, it's the sturdiest choice for the classroom. Quality construction with strong metal housing and a stainless steel pan. Innovative built-in tripod legs allow you to do density demonstrations wherever you want (without the inconvenience of having to clamp onto a table.)
Tinned iron. Ceramic. Turned edges.
Tinned iron. Ceramic. Turned edges.
• Standard Burner,
• LP (Cylinder) gas,
• 7/16"(11mm) Mixing Tube OD,
• 0.55 CFH,
• 1,342 BTU Output,
• 5-3/8" (137mm) Overall Height
• 5/16" Serrated OD inlet
High-quality, American-made burner with nickel-plated, die-cast zinc bases. Burner feature aluminum mixing tube and 5/16" serrated gas inlet connection. 7/16"(11mm) Mixing Tube OD, 0.55 CFH, 1,342 BTU Output, 5-3/8" (137mm) Overall Height. CFHs and BTU Outputs are figured on: 5 inch Water Column Pressures for Artificial and Natural Burners. 11 inch Water Column Pressures for LP Burners.
Stainless steel spatulas with both ends flat.
Stainless steel spatulas with both ends flat.