Ginsberg Scientific Inc.

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CA$5.78
Glass Connector, Bend 2x2, (for Automatic Burettes).
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CA$2.70
This is a Convex Glass Spherical Mirror with silver backing and ground edges, 50mm D x 10cm FL.
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CA$2.86
This is a Concave Glass Spherical Mirror with silver backing and ground edges, 50mm D x 15cm FL.
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CA$16.73
This is a sturdy support for meter stick demonstration balances and torque experiments. The cast metal support is 18.5 cm high. Requires knife edge clamps, slotted weights and hangers, and a meter stick. Dimensions: 7" x 3" x 3".
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CA$1.99
This is a SPST Knife Switch with Screw Type Binding Posts for a solid electrical connection, (4-1/2" x 2-1/2" x 1").
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CA$3.63
This is a SPST Knife Switch with Spring Type Binding Posts for a quick electrical connection, (4-1/2" x 2-1/2" x 1").
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CA$4.47
This is a DPDT Knife Switch with Spring Type Binding Posts for a quick electrical connection, 5-1/2" x 3-1/2" x 1".
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CA$26.95
This allows you to experiment with Transformer Principles and Induction. The outer coil is 4-1/2" tall and 2-3/4" in diameter. The inner coil is 3-3/4" tall and 1-1/4" in diameter. The removable steel core with handle is 1/2" in diameter and 5-1/2" tall. All coils are wrapped with 20-gauge magnet wire with insulated binding posts as connectors. 
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CA$38.50
Includes: Three friction rods: one hard rubber, one hollow glass and one half ground glass. Four pads: one fur, one flannel, one silk, and one wool. 3 balloons and 10 feet of string. Instructions provided. (8-1/4" 1").
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CA$11.97

These are pre-cleaned glass Microscope Slides with smooth ground edges are inexpensive and excellent quality. Size of slides: 25.4 x 76.2mm; 1.0-1.2mm thick.

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CA$15.79

Includes: Scalpel handle with blade #22. Probe and Seeker. Two Teasing Needles bent and straight with wood handle. Medicine Dropper. Dissecting Scissors. Cartilage Forceps. 6" Plastic ruler. Items are chrome plated and packaged in a leatherette case. 

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CA$46.66
This is a 7 piece Glass Lens and Prism Set, with one surface frosted to help reveal the path of light.
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CA$3.22
These magnifiers have a chrome rim and plastic handle.
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CA$1.08

These are economical Glass Mirrors are silver backed with ground edges and are great for all types of optical applications.

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CA$15.79
This is for determining the electrical equivalent of heat. The cover contains a mounted heating coil of about 1.5 ohms resistance with standard binding posts for electrical connections. When connected to a 6-volt battery, this coil will cause a temperature rise of about 5 degrees centigrade in 10 minutes.
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