educational materials - SPECTRUM Nasco Shopping Mall Divisions

Physical Science
Pulleys
New York Demonstration Balance This
balance is designed to demonstrate the principle of
operation and mechanical advantage of levers. Consists
of a 50 cm ruler; a knife-edge clamp to support the ruler;
a fulcrum support stand; a 50 g and 100 g mass; and two
knife-edge clamps to attach the masses to the lever. Sh.
wt. 0.82 kgs.
SB16550M — $38.05
Hook Collars
Useful for attaching pulleys,
cords, trusses, pendulums,
and other apparatus to support
rods. Nickel-plated collar
with thumbscrew and hook.
Sh. wt. 0.09 kgs.
For 1 /2" (13 mm) Rods.
SB10766(X)M — $5.90
For 3 /4" (19 mm) Rods.
SB16081(X)M — $5.90
BEST
SELLER
Lever Knife-Edge Clamp
Make a balance out of a meterstick
with this metal clamp. The
wire stirrup can be used for suspension
of weights.
Sh. wt. 0.06 kgs.
SB13912M — $3.05
SB10766M
Pulleys in Motion Class Set
Versatile classroom pulley set designed to teach the
mechanical principles of pulleys to a whole class. The focus
of the set is to provide hands-on activities that are easy to
understand as well as offer both intellectual and practical
experience for students. Set contains: 18 single sheave pulleys;
12 double sheave pulleys; 12 triple sheave pulleys; 6
spring scales (500 g, 50 N); roll of twine; and 20 pulley chain
links. Includes a 32-page teacher’s guide titled Pulleys in
Motion that gradually introduces students to fundamental
pulley concepts. Contains reproducible student activity
sheets and assessment ideas. Grades 4-10. Sh. wt. 1.65 kgs.
SB36700M — $91.05
Pulleys in Motion Teacher’s Guide Only.
Sh. wt. 0.17 kgs.
SB36711M — $13.05
Economy
Slotted Weight
Set with Hanger
Set of stainless steel
slotted weights with
hanger 50 g x 5 g.
Includes two 5 g, one 10
g, and nine 20 g weights
with a 50 g hanger. Comes
in a handy plastic storage
case. Sh. wt. 1.75 lbs.
SB48746M — $25.85
Slotted Weight Set
Steel weight set that includes one
100 g hanger and nine 100 g slotted
weights. Total weight: 1,000 g.
(•1) Sh. wt. 2.50 lbs.
SB46832M — $39.60
SB33483M
SB33485M
Demonstration
Balance
An inexpensive apparatus
that demonstrates the
principle of motion. A
lever knife-edge clamp is
mounted in a heavy balance
support. A meterstick
(not included) is easily attached
on the knife-edge
clamp.
Sh. wt. 0.54 kgs.
SB13911M — $32.75
Mass Hanger
50 g mass hanger. Designed
to be used with all of the
slotted weights.
Sh. wt. 0.09 kgs.
SB16601M — $5.90
Plastic Pulleys
Excellent quality, free-running pulleys made of rigid plastic
for increased durability. Deep V-grooves. Plastic pins
allow you to build single, double, or triple sheave pulleys,
and hinges can be used to join pulleys. (•1)
Cat. No. Style Dia. Sh. wt. Each
SB32917M Single 50 mm 0.06 lbs. $1.80
SB32918M Double 50 mm 0.06 lbs. $2.40
SB32921M Triple 50 mm 0.06 lbs. $3.60
SB33486M
SB33484M
SB33487M
SB33488M
Coloured Pulleys
Students will never get bored with these brightly
coloured pulleys. They add colour to any mechanics
experiment. These standard size pulleys are less intimidating
to small children. 2" dia. Elementary though
college.
Single Pulley.
Sh. wt. 0.09 kgs.
SB33483M — $1.85
Double Pulley.
Sh. wt. 0.11 kgs.
SB33484M — $3.40
Double Tandem Pulley.
Sh. wt. 0.09 kgs.
SB33485M — $3.00
Triple Pulley.
Sh. wt. 0.11 kgs.
SB33486M — $3.35
Triple Tandem Pulley.
Sh. wt. 0.11 kgs.
SB33487M — $3.50
Quadruple Pulley.
Sh. wt. 0.14 kgs.
SB33488M — $3.85
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