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Chalkboard Drawing Instruments
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Sextant, Brass
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Analytical Weight Box
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Slotted Weight Set
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Stainless Steel Weight Set
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Usually Ships in 7 to 10 Business Days*
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Usually Ships in 7 to 10 Business Days*
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Usually Ships in 7 to 10 Business Days*
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Usually Ships in 7 to 10 Business Days*
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Usually Ships in 7 to 10 Business Days*
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Durable, lightweight plastic instruments, designed for whiteboards and chalkboards. Triangles, protractor, and ruler are made of white polystyrene and feature
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Designed for beginners as well as experienced navigators, this sextant features an adjustable index mirror, index, and horizon shades. Durable brass construction,
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Weights are made of brass, with nickel plated surfaces. All weights are carefully tested and calibrated. Analytical Weight Box contains 9 weights
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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
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Good quality weight set contains 9 weights (1 each of 1g, 5g, 10g, 50g and 100g sizes, and 2 each 2g and 20g sizes) plus a set of 1 to 500 mg fractional weights
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Hexagonal Masses
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Hooked Weight Set (Brass)
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Hooked Weight Set (black enamel)
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Measurement Kit
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Vernier Caliper, Brass
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Usually Ships in 7 to 10 Business Days*
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Usually Ships in 7 to 10 Business Days*
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Usually Ships in 7 to 10 Business Days*
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Usually Ships in 7 to 10 Business Days*
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Usually Ships in 7 to 10 Business Days*
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Accurate, non-rolling hexagonal masses are made of steel, and feature a durable black oxidized finish. Available in both customary and metric sizes.
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These weights feature flat countersunk bottoms, with a double-ended hooked rod through the middle. They can be used on balance pans, as well as hooked in
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Set of 9 weights consisting of 1 each 10g, 50g, 100g, 500g, 1000g, and 2 each 20g, and 200 gram weights. Weights are made of cast iron with a black enamel
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Includes a variety of tools and objects for teaching basics of measurement. Kit is shipped in a reusable storage box. Kit includes Activity Guide with 15 activities.
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Economical Brass Vernier Caliper with 140mm Capacity. Features inside and outside jaws, full length depth gauge, friction ruler and sliding lock for gauging.
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Fractional Weight Set, 1-500 mg
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Spring Scales
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Spring Scales, Clear Plastic
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Micrometer
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Hand Tally Counter
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Usually Ships in 7 to 10 Business Days*
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Usually Ships in 7 to 10 Business Days*
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Usually Ships in 7 to 10 Business Days*
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Usually Ships in 7 to 10 Business Days*
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Usually Ships in 7 to 10 Business Days*
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Includes 1 each of 1, 5, 10, 50, 100, and 500 mg weights, and 2 each of 2, 20, and 200 mg weights.
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These Spring Scales come in a clear plastic case, and include a metal pointer, spring, suspension ring, and load hook. Scales are calibrated in Grams, Newtons,
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These spring scales feature a clear plastic tube design, and are color - coded. A zero adjustment screw is provided at the top. Overall length is approximately 7".
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Introductory level metric micrometer graduated to read up to 25mm in 0.01mm divisions. Comes in a plastic storage case.
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Bright plastic case makes this hand tally counter lightweight yet sturdy. The counter advances by 1, up to 9999 each time the button is pressed. Turn the side
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Student Platform Scale
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Classroom Thermometers
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Metal Back Student Thermometers
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Dial Thermometer
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Hooked and Individual Masses
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Usually Ships in 7 to 10 Business Days*
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Usually Ships in 7 to 10 Business Days*
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Usually Ships in 7 to 10 Business Days*
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Usually Ships in 7 to 10 Business Days*
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Usually Ships in 7 to 10 Business Days*
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Sturdy economical scale for general use in the lab. It features a round plastic weighing platform. Capacity is 5 Kilograms, or 11 lbs. Shipping weight is 1.25 lbs;
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Wet & Dry Bulb: Graduated in Celsius -10° to +50° (1°C) and Fahrenheit -20° to +120° (2°F). Includes humidity table in C and F. Dimensions: 10" x 3" x 0.5".
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Glass thermometer mounted on aluminum back. Thermometers are filled with approximately 3 grams of Toluene mixed with red color.
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This versatile thermometer features molded plastic dial (38mm diameter), with temperature ranges of -20° C to +50° C, and 0° to 120° F. Can be mounted on
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Weights are made of brass, with nickel plated surfaces. All weights are carefully tested and calibrated. Analytical Weight Box contains 9 weights
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