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Schoolmasters Science

Schoolmasters Science

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Slime Time Science KitSlime Time Science Kit
Slime Time Science Kit
13886

• Experiment with conductors, a real working circuit board, wires, light bulbs and more for high-voltage excitement
• Learn about electricity, series, circuits, switches, voltage, current, resistance and other concepts important for electricians and others in the field
• Safe, educational electrical fun that requires (4) "AA" alkaline batteries (not included),
• Includes a circuit board, battery holder, strip, bulbs, holder, wires, code switch, washers, brads, resistors, jar, springs and manual
• Recommended for children 8 years of age and older with adult supervision


Create different kinds of slime. Slime that jiggles, a sticky ooze that can glue things together a mystery material that's solid one minute, liquid the next, and others. Science booklet, recipe cards, and slime chemicals included. Ages 8 +.

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$9.95 Each
Glass Coverslip - 18mm x 18mm - 1 oz.
Glass Coverslip - 18mm x 18mm - 1 oz.
16456

Maximum clarity, unsurpassed quality and corrosion resistant. Thickness No. 0. There are approx 180 18mm x 18mm coverslips per ounce.
Maximum clarity, unsurpassed quality and corrosion resistant. Thickness No. 0. There are approx 180 18mm x 18mm coverslips per ounce.

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$2.25 Pack
Lens Paper
Lens Paper
98655

This soft, absorbent paper cleans lenses and optical elements and are available in booklet and sheet form. Book of 50 sheets 4" x 6" size.
This soft, absorbent paper cleans lenses and optical elements and are available in booklet and sheet form. Book of 50 sheets 4" x 6" size.

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$3.50 Pack
Microscope Slide - Plain (1/2 Gross per box)
Microscope Slide - Plain (1/2 Gross per box)
15112

Made of the finest sheet glass. Individually selected for uniform quality. Precision ground edges. Guaranteed precleaned. Approximately 1 mm thick. Size 75mm x 25mm.
These pre-cleaned slides are 75mm x 25mm, 1.0mm to 1.2mm thick, and are packaged in boxes of 72. Made of quality sheet glass, with ground edges.

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$4.50 Box
Save 49%
Slide Storage Box - Plastic (Holds 10 Slides)
Slide Storage Box - Plastic (Holds 10 Slides)
14945

Sturdy two-piece molded plastic boxes. The bottom section has slide numbers engraved for easy reference, and the inside of the lid carries a numbered slide index. Features a hinged design.
Sturdy two-piece molded plastic boxes. The bottom section has slide numbers engraved for easy reference, and the inside of the lid carries a numbered slide index. Features a hinged design.

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$1 Each $1.95 Each
Glass Coverslip - 22mm x 22mm - 1 oz.
Glass Coverslip - 22mm x 22mm - 1 oz.
16458

Maximum clarity, unsurpassed quality and corrosion resistant. Thickness No. 0. There are approx 125 22mm x 22mm coverslips per ounce.
Maximum clarity, unsurpassed quality and corrosion resistant. Thickness No. 0. There are approx 125 22mm x 22mm coverslips per ounce.

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$2.25 Pack
Color Coded Microscope Slides - Yellow
Color Coded Microscope Slides - Yellow
16451

Pre-cleaned glass, premium quality, 1mm thick, 3" x 1" colored frosted end slides. Packaged in boxes of 72 slides.
Pre-cleaned glass, premium quality, 1mm thick, 3" x 1" colored frosted end slides. Packaged in boxes of 72 slides.

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$8.95 Pack
Magnifying Bug Viewer - 3" DiameterMagnifying Bug Viewer - 3" Diameter
Magnifying Bug Viewer - 3" Diameter
12595

Gives your students a closer look at live insects in these nifty plastic containers with magnifying lids. They feature a sizing grid and air holes. Also ideal for examining coins, stamps, flowers, and other small items.

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$3.95 Each
Tornado Tube
Tornado Tube
12143

Just attach a discarded plastic soda bottle to each end of the Tornado Tube, one with water, one empty. Stand the empty bottle on a flat surface, as the water begins to flow down from the full bottle, a vortex will descend from the top with an amazing similarity to a tornado. Bottles not included.

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$1.95 Each
Conductometer
Conductometer
14695

Demonstrates the difference in thermal conductivity of different metals. Consists of five metal rods stainless steel, brass, copper, iron and aluminum connected to a center metal, brass, hub which is mounted on a rod with wooden handle. The five rods have depressions on the ends to hold wax. When the center hub is heated, heat is conducted through the rods and conductivity of heat can be ascertained by the melting of wax.
Demonstrates the difference in thermal conductivity of different metals. Consists of five metal rods stainless steel, brass, copper, iron and aluminum connected to a center metal, brass, hub which is mounted on a rod with wooden handle. The five rods have depressions on the ends to hold wax. When the center hub is heated, heat is conducted through the rods and conductivity of heat can be ascertained by the melting of wax.

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$9.95 Each
Aluminum Pulley - Triple Tandem
Aluminum Pulley - Triple Tandem
16875

Strong Aluminum Pulleys with deep V-grooves mounted in metal bracket with hooks on both ends. Pulleys are 2" (50mm) dia.
Strong Aluminum Pulleys with deep V-grooves mounted in metal bracket with hooks on both ends. Pulleys are 2" (50mm) dia.

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$8.25 Each
Pulley with Clamp
Pulley with Clamp
14778

Rugged plastic pulley with deep V groves mounted on a metal clamp. The sheave is 50mm in diameter. Clamp can be mounted on surfaces up to 25mm thick.
Rugged plastic pulley with deep V groves mounted on a metal clamp. The sheave is 50mm in diameter. Clamp can be mounted on surfaces up to 25mm thick.

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$5.95 Each
Pulley Bench Mounting
Pulley Bench Mounting
14777

Aluminum pulley 37mm diameter. mounted in thick strong metal frame for clamping to benches or boards.
Aluminum pulley 37mm diameter. mounted in thick strong metal frame for clamping to benches or boards.

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$7.50 Each
Pulley on Rod
Pulley on Rod
14776

Aluminum pulley 50mm diameter. Mounted in a bracket on a rod.
Aluminum pulley 50mm diameter. Mounted in a bracket on a rod.

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$8.50 Each
Single-Quadruple Wheels
Tandem PulleyTandem Pulley
Tandem Pulley
13654

Pulley is high-quality impact-resistant, chip-proof injection molded, balanced wheel. Smooth, clean V-groove. Wheel diameter 2", 360 degrees swivel hooks-top and bottom. All steel blocks.

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From $4.25 Each
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Single-Quadruple Wheels
PulleyPulley
Pulley
11589

Pulley is high-quality impact-resistant, chip-proof injection molded, balanced wheel. Smooth, clean V-groove. Wheel diameter 2", 360 degrees swivel hooks-top and bottom. All steel blocks.

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From $1.95 Each
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Scale Pan
Scale Pan
14701

General purpose use and also for use with inclined plane. Metal pan with cords for suspension.

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$4.75 Each
Save 39%
Density Blocks Set
Density Blocks Set
14709

Dense wood cube 1" sides. Average weight 16 grams/cube. Wood block: 2" x 2" x 1/8" soft wood. Steel block: 2" x 2" x 1/8". Aluminum block: 2" x 2" x 1/8"
Dense wood cube 1" sides. Average weight 16 grams/cube. Wood block: 2" x 2" x 1/8" soft wood. Steel block: 2" x 2" x 1/8". Aluminum block: 2" x 2" x 1/8"

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$3 Each $4.95 Each
Slide Storage Box - Plastic (Holds 100 Slides)
Slide Storage Box - Plastic (Holds 100 Slides)
16454

Sturdy two-piece molded plastic boxes. The bottom section has slide numbers engraved for easy reference, and the inside of the lid carries a numbered slide index.
Sturdy two-piece molded plastic boxes. The bottom section has slide numbers engraved for easy reference, and the inside of the lid carries a numbered slide index.

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$6.95 Each
Slide Storage Box - Plastic (Holds 50 Slides)
Slide Storage Box - Plastic (Holds 50 Slides)
14947

Sturdy two-piece molded plastic boxes. The bottom section has slide numbers engraved for easy reference, and the inside of the lid carries a numbered slide index.
Sturdy two-piece molded plastic boxes. The bottom section has slide numbers engraved for easy reference, and the inside of the lid carries a numbered slide index.

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$3.95 Each
Slide Storage Box - Plastic (Holds 25 Slides)
Slide Storage Box - Plastic (Holds 25 Slides)
14946

Sturdy two-piece molded plastic boxes. The bottom section has slide numbers engraved for easy reference, and the inside of the lid carries a numbered slide index.
Sturdy two-piece molded plastic boxes. The bottom section has slide numbers engraved for easy reference, and the inside of the lid carries a numbered slide index.

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$2.95 Each
Slide Storage Box - Wood (Holds 25 Slides)
Slide Storage Box - Wood (Holds 25 Slides)
14942

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

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$7.95 Each
Slide Holding Forceps
Slide Holding Forceps
14941

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

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$1.05 Each
Slide - Graph, black gridlinesSlide - Graph, black gridlines
Slide - Graph, black gridlines
16487

Our Prepared Slides show top quality specimens in Zoology, Botany, General Biology, Histology, Parasitology, Embryology, Fungi, Monera, and Protista.
Our Prepared Slides show top quality specimens in Zoology, Botany, General Biology, Histology, Parasitology, Embryology, Fungi, Monera, and Protista.

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$2.50 Each