Our Knife Switches give you full control over low current electrical circuit experiments, and our Single & Multi Pulley Systems help you illustrate the laws of physics and gravity in simple machinery. Knife Switches feature safe, sturdy construction to protect students and withstand years of experiments. Pulley Sets feature strong hooks and provide smooth, low-maintenance operation.
Knife Switches:
• Brass pole and blades mounted on plastic base. • Screw type terminal for low voltage, will not clip or break.
•97-1101: Knife Switch Single Pole, Single Throw, 20/box •97-1102: Kife Switch Single Pole, Double Throw,10/box • 97-1103: Knife Switch Double Pole, Single Throw, 10/box •97-1104: Knife Switch Double Pole, Double Throw, 10/box
Order
Number
Model
Number
List
Price
Discounted
Price
Knife Switches
Single Pole, Single Throw
Box of 20 Pieces
97-1101
Knife Switches
Single Pole, Single Throw
Box of 20 Pieces
97-1101
$000.00
$95.00
Free Shipping
Knife Switches
Single Pole, Double Throw
Box of 10 Pieces
97-1102
Knife Switches
Single Pole, Double Throw
Box of 10 Pieces
97-1102
$000.00
$65.00
Free Shipping
Knife Switches
Double Pole, Single Throw
Box of 10 Pieces
97-1103
Knife Switches
Double Pole, Single Throw
Box of 10 Pieces
97-1103
$000.00
$90.00
Free Shipping
Knife Switches
Double Pole, Double Throw
Box of 10 Pieces
97-1104
Knife Switches
Double Pole, Double Throw
Box of 10 Pieces
97-1104
$000.00
$96.00
Free Shipping
Sheave Pulleys:
• Great tool for demonstrating the use of simple machines to make work easier. • Black plastic with sturdy hooks at top and bottom. • 50 mm (about 2") diameter. • Available in single, double, triple, or quadruple pulley systems. • 10 pieces/ box.
•97-1201: Single •97-1202: Double •97-1203: Triple •97-1207: Quadruple
Order
Number
Model
Number
List
Price
Discounted
Price
Single Sheave Pulley
Box of 10 Pieces
97-1201
Single Sheave Pulley
Box of 10 Pieces
97-1201
$000.00
$52.00
Free Shipping
Double Sheave Pulley
Box of 10 Pieces
97-1202
Double Sheave Pulley
Box of 10 Pieces
97-1202
$000.00
$64.00
Free Shipping
Triple Sheave Pulley
Box of 10 Pieces
97-1203
Triple Sheave Pulley
Box of 10 Pieces
97-1203
$000.00
$78.00
Free Shipping
Quadruple Sheave Pulley
Box of 10 Pieces
97-1207
Quadruple Sheave Pulley
Box of 10 Pieces
97-1207
$000.00
$83.00
Free Shipping
Tandem Pulleys:
• Black plastic with sturdy hooks at top and bottom. •97-1204: Double, 38 and 50mm diameter. •97-1205: Triple, 29, 38 & 50mmdiameter.
