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- Battery Holders, Electricity
D Cell Battery Holder with leads
- D cell battery holder with 6" connector cords in red and black. Made of unbreakable plastic. Curved sides help prevent the battery from falling out when it is upside down. Ages 7+
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- Electricity
D Cell Battery Holder/Joiner
- Single D cell battery holder can be snapped together in parallel or series to extend capacity or voltage. Ages 7+.
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- Electricity
DC Generator
- This handheld D.C generator is an excellent alternative to more expensive models. It is an ideal tool for demonstrating this transformation of mechanical energy into electrical energy. This unit produces a terminal voltage of 6.3V and a maximum current output of 1.2A. Comes with two 15" leads. Ages 7+
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- Electricity
DC Motor Kit
- A simple kit for students to gain insight into field poles, armatures and switches, Kit includes one mounting base, field pole, armature, two wire brushes, a piece of copper wire, two shaft supports, a AA battery holder, AA battery, and 4 each of screws and nuts. With assembly instructions.
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- Electricity
Decade Resistance Box
- Consists of six rotary switches in decade sequence mounted on a metal panel with each value clearly marked. From 0 to 1, 111, 110 x 1 ohm, Accuracy within + 0.5% Two universal binding posts are provided for easy connection.
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- Chemistry & Labware
Deflagrating Spoon
- Deflagrating and combustion spoon, designed for burning phosphorus, sulfur etc. stainless steel spoon with 16″ handle and 3/4″ diameter.
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- Science Kits
Deluxe Slide Making Kit-Glass
- Are you ready to create your own slides? Make slides of what interests YOU! Learn slide-making techniques as you discover what there is to see on a “micro” level. Remember the slides in this kit are Glass, so be careful. Kit Includes 12 glass slides, 12 glass coverslips, 3 glass slides with single concavity, 1 storage case, 4 Petri dishes…
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- Science Kits
Deluxe Slide Making Kit-Plastic
- Are you ready to create your own slides? Make slides of what interests YOU! Learn slide-making techniques as you discover what there is to see on a “micro” level. Remember 3 slides in this kit are Glass, so be careful. Kit Includes 12 plastic slides, 12 plastic cover slips, 3 glass slides with single concavity, 1 storage case, 4 Petri…
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- Physics
Demonstration Diffraction 3 in One
- For demonstrating the principle of diffraction grating and the way in which its properties are dependent upon the number of lines per unit length. Comprises a card mount 90 x 40 mm approximately with three 16 x 9 mm apertures, each containing a diffraction grating replica. The gratings are 100 lines / mm. 300 lines / mm and 600 lines…
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- Meters
Demonstration Meter
- With interchangeable scales. A versatile instrument and demonstration meter that can be converted to an A.C., or D. C. voltmeter or ammeter with the selection of various ranges for each mode. With a high-quality moving coil, spring-controlled movement with full-scale deflection of 5 mA or 100 mV D. C. The long pointer has a spade end and is visible from…
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- Density & Apparatuses, Physics
Density Ball
- Demonstrates the effect of temperature on the density of a liquid. Consists of a 3" stainless steel hollow sphere weighted so it will float when placed in cool water (15° C) and sink in warm water (30° C). Instructions include 3 experiments.
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- Density & Apparatuses, Physics
Density Identification Set, Set of 12
- Set of different half-inch diameter specimens of varying lengths, supplied in a wood storage block. The set includes cylinders of Aluminum, Brass, Copper, Glass, Hard Rubber, Delrin, PVC, Acrylic, Teflon, Nylon, Maple, and Pinewood.
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- Density & Apparatuses, Physics
Density Identification Set, Set of 15
- The set consists of specimens of 15 different types of materials. Students measure the mass, length and volume to determine the density of each of the materials. Set contains a sturdy storage base with one sample each of Walnut, Pine, Maple, Polypropylene, Polyethylene, Polyamide, Acrylic, Polyurethane, Phenolic, Polyvinylchloride, Delrin, Aluminum, Brass, and Copper. Samples are stamped with a letter code…
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- Density & Apparatuses, Physics
Density Kit
- Various shapes are used to teach students how to make measurements in the Metric System and how to use the formula: Density Mass/Volume. Students use various materials to demonstrate densities. Includes one 3”x 1”x 1/4” aluminum bar, two 1/2” aluminum cubes, one 1/2” diameter steel sphere, one glass sphere, and one 15 cm scale.
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- Density & Apparatuses, Physics
Density Samples
- Set of half-inch diameter density cylinders, consisting of 12 specimens of the same material but varying lengths, stored in a wood base. Includes a set each of Aluminum, Brass, PVC, and Polypropylene. Set of 48.
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- Density & Apparatuses, Physics
Density Set
- A set of 10, one inch density cubes in a storage box. Materials included are: Acrylic, Aluminum, Brass, Copper, Maple, Nylon, Pine, Poplar, PVC and Steel. [vc_row][vc_column][vc_btn title="Press For Product Video" style="custom" custom_background="#4374a7" custom_text="#ffffff" shape="square" i_icon_fontawesome="fa fa-video-camera" add_icon="true" link="url:http%3A%2F%2Fstaging.shivsons.com%2Fwp-content%2Fuploads%2F2021%2F12%2FPH10040-1.mp4|||"][/vc_column][/vc_row]
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- Meters
Dials, Interchangeable
- For use with demonstration meter. Each dial comprises a plastic panel with a sealed moulded capsule on one side containing appropriate shunts or voltage multipliers.
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- Plant Model
Dicot Stem Model, With Manual
- Modeled after a sunflower, this Dicot Stem Model is an excellent tool for learning plant anatomy. The unit shows the epidermis, cork layer, phloem region, cambium xylem region, pith and other vital structures. Anatomy is displayed in cross, radial and tangential sections. Comes with a detailed key. Hand-painted. 13.5x7x6” Ages 10+
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- Science Kits
Discovering Optics
- No matter how complicated a camera, a telescope, or a microscope is, it consists of one or more of these basic elements; mirrors, lenses, and prisms. Explore the principles of reflection, refraction, and the physics of how light works as you discovery all about optics. Kit Includes a flexible mirror (Bonus), cylindrical double concave lens, cylindrical double convex lens, small…
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- Dissection
Dissecting Forceps
- These are excellent student forceps for basic dissection applications. They are nickel-plated steel with a medium point. 4.5” long. Ages 7+
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- Dissection
Dissecting Pan, Aluminum, With Wax
- A Biology Lab Staple! Made to last, these dissecting pans are great for general use. Available in several different sizes and styles, with or without wax (wax is a mixture of black tar and white wax). Each pan has smooth, rolled edges and is stackable. When resurfacing, put the pan on a hot plate to melt the wax. Not dishwasher…
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- Dissection
Dissecting Pan, Aluminum, With Wax
- Dissecting Pan, aluminum with wax (11.25" X 7.5" X 1.5" - 1.1 LB)
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- Dissection
Dissecting Pan, Aluminum, Without Wax
- Dissecting Pan, aluminum without wax (11.25" X 7.5" X 1.5")
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- Dissection
Dissecting Pan, Aluminum, Without Wax
- Dissecting Pan, aluminum large without wax (13" X 9.5" X 2")
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