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#101 Projection Air Table
Use this miniature air table with any suitable air source to demonstrate
the random movement of molecules. Made of clear acrylic, this unit can
be set on an overhead projector and projected so everyone in the room can
observe the movement. The molecules are colored disks with mounted
magnets. The magnets cause each disk to repel it's neighbor and thus
creates an almost continuous motion.
AIR TRACKS, AIR SOURCE AND TIMER
#796 Mechanical Oscillator on an Air Track
(Harmonic Motion Air Track)
Used to study harmonic motion and relationships between vibration and
mass. It can also be used to demonstrate the conversion between kinetic
and potential energy and the effects of air friction or oscillation.
A bright and clear precision meter scale is added to each unit.
#797 Air Track and Accessories.
This is one of the most useful pieces of apparatus that a physics class
could have. This air track allows one to four carts to ride along
on a cushion of air, practically eliminating friction. High precision
pulleys are included to mount on the ends for performing free falling and
incline experiments. Spring bumpers can be attached to record impact
forces and weights can be attached to each cart for studying momentum and
many other phenomena's involving force. The air source is not included.
The unit can be used with our photogates and digital timer (recommended)
and our quiet air source.
#794 Quiet Air Source
This piece of equipment can be used on an apparatus requiring an air
source such as air tables or air tracks. Very quiet in operation
and comes complete with a 1-1/8" diameter hose. Operates on 110 volt
AC.
#2009 Digital Timer and Photogate.
The solid state apparatus is a must for any physics class and is perfect
for our air track and free fall apparatus. Two photogates are included,
each with it's own shielded connecting cord and mounting screws.
The timer has functions for timing, mechanical periods of oscillation,
acceleration, collision velocities, counting and more.
Balance Demonstration Units
#150 Balance Demonstration Stand
Useful for balance demonstrations. Consists of a knife edge clamp,
meter stick, metal support and cast iron base.
#150-1 Fulcrum Holder.
The metal support and cast iron base only.
#1450 New York Demonstration Balance.
Consists of a 50cm meter stick, stand, three knife edge clamps, one
50 gram hooked weight and one 100 gram hooked weight.
# 1451 21st Century Balance.
This patent pending ""New York Balance"" is the first major advancement
in an educational device for teaching simple machines in decades.
What makes this unit so special is an internal sliding weight mechanism
that allows you to neutralize all factors after the fulcrum and positions
of force have been established. This gives you an inexpensive piece
of testing equipment that rivals high priced computerized apparatuses used
to study similar effects.
#911 Knife Edge Clamp
BALLS
#200-1/2 Aluminum ball with hole 1/2"
#200-3/4 Aluminum ball with hole 3/4"
#200-1 Aluminum ball with hole 1"
#200-1-1/2 Aluminum ball solid 1/2"
#200-1-3/4 Aluminum ball solid 3/4"
#200-1-1 Aluminum ball solid 1"
#200-2-1/2 Brass ball with hole 1/2"
#200-2-3/4 Brass ball with hole 3/4"
#200-2-1 Brass ball with hole 1"
#200-3-1/2 Brass ball solid 1/2"
#200-3-3/4 Brass ball solid 3/4"
#200-3-1 Brass ball solid 1"
#200-4-1/2 Steel ball with hole 1/2"
#200-4-3/4 Steel ball with hole 3/4"
#200-4-1 Steel ball with hole 1"
#200-5-1/2 Steel ball solid 1/2"
#200-5-3/4 Steel ball solid 3/4"
#200-5-1 Steel ball solid 1"
#200-6-3/4 Aluminum ball with hook 3/4"
#200-7 Aluminum ball with hook 1"
#200-8 Brass ball with hook 3/4"
#200-9 Brass ball with hook 1"
#200-10 Steel ball with hook 3/4"
#200-11 Steel ball with hook 1"
#1600-4 Ballistic Pendulum Apparatus. (Shock Pendulum Apparatus)
The unit uses a nylon pendulum with a tapered rubber insert.
Both pendulum and base have leveling screws. The spring loaded gun
has a self locking trigger and rubber bumper to prevent damage on impact.
The scale is marked in degrees and is registered by a counter weighted
needle that remains in place at the height of the arc. Instructions provided.
#1600-9 Ballistics Car.
Demonstrates that the forward velocity of a ball ejected vertically
is the same as the forward velocity of the vehicle from which it was ejected.
Includes a vertical spring loaded barrel and a 1"" diameter steel ball.
The ejection mechanism has two settings which are controlled by a release
pin and cord. The unit is 250mm x 60mm x 140mm. Instructions
provided.
#300 Collision Ball Apparatus (Third Law).
Demonstrates that every action has an equal and opposite reaction.
Consists of seven steel balls which run along aluminum, rods mounted on
cast iron bases.
#300-1 Collision Ball Apparatus.
The concept of momentum and conservation is shown through a collision
of a series of balls that roll on a track made from aluminum channel with
aluminum feet. Contains seven, one inch steel balls. Instructions
provided.
#300-2 Collision Balls on a String.
This simple unit helps teachers demonstrate Newton's Third Law of Motion.
Five balls are suspended from a chrome metal frame.
#1889 Horizontal Cast and Collision Tester.
Here is a unique way to study horizontal and vertical motion, conservation
of energy, and momentum. A track mounted to a vertical board directs
one or two carts, casting them into a free fall. A brush projecting
from the back side of the carts, marks the path of the cart as it falls.
Weights can be added to the carts to study the effects of increased mass
on momentum.
#605 Dynamic Car Set/2.
For demonstrating Newton's Laws of conservation and momentum.
The set contains two high impact plastic cars with snap in wheels and two
spring steel bumpers with rubber stopper assemblies. Each car is
designed with a large recession for holding additional weight.
The car measures 127mm x 50mm.
#606 Dynamics Car Set/2 Metal Body
Each car is made from anenamel coated metal channel for stength
and durability. Plastic bearing wheels reduce friction. Kit
also includes four small bumper springs, one big spring, two rubber bumpers
and detailed instruction sheet. (10cm x 25cm x 4.5cm)
Internal Combustion Engines - Economy
Two highly detailed engine models that are perfect for any technology,
physics or general science classes. Four stroke operation is demonstrated
by the gear driven timing mechanisims, valves, ignition systems and more.
DC power input is available to power a lamp if desired, to represent the
spark or glow plug ignition. Both internal gasoline and diesel engine
models are available.
#1861 Gasoline Engine Model
#1862 Diesel Engine Mode
Internal Combustion Engine Models - Superior Quality
These superior quality internal combustion engine models will be a
great addition to any technology class. High quality cast metal with
fine details, hand painted and built to last many years. Each engine
comes with instructions and power input binding post to power the built
in lamp that represents the spark or glow plug. Each unit measures
approximately 20 cm x 20 cm x 34 cm tall.
#1878 Two Stroke Gasoline Engine Model
#1879 Four Stroke Gasoline Engine Model
#1880 Two Stroke Diesel Engine Model
#1881 Four Stroke Diesel Engine Model
#1888 Free Fall Apparatus.
This item is used to study the rate of an item in free fall. A ball
is held by an electromagnet and when released it's rate of fall is measured
by a photogate.
GYROSCOPES
#792 Precision Gyroscope.
Helps students understand how and why gyroscopes are used for many
guidance systems. This is a well balanced, high quality gyroscope
with adjustable bearings. The accessories include plastic gimbals,
rocker, and pivoting housing. This unit measures 100mm x 190mm.
Instructions provided.
#795 Gyroscope.
This simple form gyroscope is ideal for illustrating the priciple of
gyroscope and rotational inertia. Mounted in a heary wire frame,
the 5.5cm diameter, cast metal gyroscope is held by a support base with
a socket at the top end. A long starting string and instructions
are also provided.
HALL'S CARRIAGE
#799 Hall's Carriage
Features a sturdy carriage made of high impact plastic. The one
piece needle bearing wheels allows the carriage to roll with little resistance.
Overall length is 5-1/2"
#793 Simple Hall's Carriage
Both the body and wheels are made from high impact plastic.
#808-1 Hook's Law (New Style)
We are proud to introduce an improved version of our Hook's Law apparatus.
This new model comes with a sturdy cast metal base, testing spring, metal
scale, four 20 gram weights and combination 20 gram weight hanger/indicator
needle. Instructions included. Size is 4" x 4" x 12"
(1.5 lbs)
#798 Impact Car.
What better way to study the momentum changes of varying mass than
with a visual measure of it's force. The impact car is equipped with
a spring scale and slide that is displaced on impact against a wall or
similar obstacle. This slide remains in it's displaced positioned
until reset. The student rolls the car down the ramp, and measures
the impact. Next, more mass is added inside the car and the experiment
is repeated. The student can take direct readings from the scale
to measure the increasing force. Instructions provided.
#811 Friction on an Incline Plane.
This simple device is useful in studying friction and the varying degrees
of friction in relation to an incline. The unit is made of smooth
wood with a metal pulley attached to the incline and a large protractor
for accurately recording the angle of incline. Three different sized
boards with eyehooks are also included for study of how displacement, surface
contact, and weight affect frictional forces. Instructions provided.
#197 Inertia Apparatus (Ball & Card).
A 3/4"" ball rests on a cardboard square lying on a vertical post.
When a spring is released it shoots the square out and the ball falls into
a concave recession in the post. Instructions provided.
#1897 Magdem Board.
This demonstration board allows for setup of experiments in minutes.
All major components have powerful magnets for placement on the board.
Use a dry erase markers on the board to mark any necessary formulas, angles,
weights, etc.. Possible demonstrations are as follows: 1st,
2nd and 3rd class levers, inclined planes, friction, torque, Hooke's Law,
harmonic motion, pulleys, trusses & booms and collision balls.
Pulleys may hold 1,000 grams of weight. (Weights are not included.)
Includes comprehensive instructions.
#1605 Pulley Demonstration, Large.
These sets are designed to teach students the concepts of force and
mechanical equilibrium as they relate to pulley arrangements. This
item also can be used to illustrate the important concepts of mechanical
advantage and the conservation of energy. Includes: Large 8
x 31.75 inch wooden base with mounted capstan and screw eye, 2 threaded
metal vertical support rods, metal crossbar, 2 crossbar clamps, 90 degree
clamp, 3 single pulleys, 1 quadruple pulley, 1 triple tandem pulley, 1
wheel and axle, 3 pulley clamps, 10 slotted weights ranging from 10 grams
to 500 grams, 3 weight hangers and pulley cord. Complete with
laboratory manual.
#1606-1 Pulley, Single
#1606-2 Pulley, Double
#1606-3 Pulley, Triple
#1606-4 Pulley, Quadruple
#1606-5 Pulley, Double Tandem
#1606-6 Pulley, Triple Tandem
#1606-8 Rod-Mounted Pulley.
An aluminum 50mm pulley mounted on an aluminum support with handle.
#1606-20 Pulley with Table Clamp - Cast Iron.
There are many uses in a science class for this table mounted pulley
with extension arm. The cast aluminum clamp mounts to the edge of
any table up to 2 3/8" thick. The 2" diameter metal pulley is mounted
to an 8" rod that can be fixed to any position up to 10 1/2" above the
table.
#2302 Wheel and Axle.
The plastic stepped pulley is fitted with a ball bearing on a single
steel rod. Uses any standard right angle clamp.
#1871 Ripple Tank with Power Supply
A classic apparatus for studying sound, electromagnetic, light and
other types of waves. Students can watch the effects of refraction,
reflection, dispersion and deflection of waves in a small pool of water.
Wave frequency and applitude can also be more easily visualized with this
unit. Comes complete with power supply, variable speed motor, overhead
lamp and tank with stand. The tank frame is made from satin finished
aluminum and the tank itself is one piece molded plastic. Tray dimension
1.5" x 10.5" x 14", unit weight 9 lbs.
#1869 Roman Arch.
This unit demonstrates the construction and engineering involved in
a Roman Arch. Made from precision cut wood. A support base
is included so that the unit can be constructed and left assembled.
Instructions included. Measures 26cm x 33cm.
#1476 Second Law of Motion, Newton's - Cast Iron.
This cast iron unit demonstrates that a horizontally projected ball
and vertically dropped ball land at the same time This spring device
can propel a ball to 48"" from its starting point. With a detachable
rod for clamping to a table or stand. Instructions provided.
#1476-1 Second Law of Motion Balls, 3/4" Aluminum, 1 Solid and 1 with Hole
#1477 Second Law of Motion, Economy, Aluminum.
When clamped firmly to a table, the apparatus demonstrates that gravity
has the same effect on a projectile as on a body falling vertically.
One ball is ejected horizontally while another is dropped at the same instance;
both strike the floor at the same time. The flexible 1 inch wide
steel strap is 18 inches long and has a cross bar at one end to hold two
3/4 inch steel balls which are also provided. Instructions included.
#2008 Acceleration, Spark Timer.
This apparatus is used for determining the rate of acceleration in
a falling weight, calculating the speed of a moving cart or studying the
forces of friction. A paper strip is pulled through the timer while
a spark at a very precise interval is created which burns tiny dots into
the paper strip as it passes. The faster the strip passes through
the sparks the larger distance between dots. It is easy then for
the student to calculate the rate of speed for acceleration. As an
added benefit, everything on the spark timer is enclosed for safety.
Instructions included.
#2008-1 Paper Roll- Replacement for Spark Timer
#2008-2 Carbon Disk- Replacement for Spark Timer
SPRING SCALES, METRIC
Made from anodized metal, richly plated, high
impact polystyrene body, with zero adjustment
#G4 Spring Scales - Metric, Scale: 100g x 1g
#G5 Spring Scales - Metric, Scale: 200g x 2g
#G1 Spring Scales - Metric, Scale: 250g x 10g
#G6 Spring Scales - Metric, Scale: 500g x 5g
#G2 Spring Scales - Metric, Scale: 500g x 20g
#G7 Spring Scales - Metric, Scale: 1000g x 10g
#G3 Spring Scales - Metric, Scale: 2000g x 40g
#G8 Spring Scales - Metric, Scale: 5000g x 100g
SPRING SCALES-NEWTON'S
#G9 Spring Scales - Newton's, Scale: 2.5N x 0.1N
#G10 Spring Scales - Newton's, Scale: 5N x 0.2N
#G11 Spring Scales - Newton's, Scale: 20N x 0.5N
SPRING SCALES-TUBULAR
Calibrated in Grams and Newton's, with transparent
bodies and color coded.
#G58 Spring Scales - Tubular: 250g - 2.5N. . .blue
#G59 Spring Scales - Tubular: 500g - 5N. . .green
#G60 Spring Scales - Tubular: 1000g - 10N. . .gray
#G61 Spring Scales - Tubular: 2000g - 20N. . .red
#G62 Spring Scales - Tubular: 3000g - 30N. . .white
#G63 Spring Scales - Tubular: 5000g - 50N. . .yellow
#1898 Spring Tester, Demonstration Apparatus.
The Spring Tester is a unit for demonstrating the basic principles
of Hook' Law. Weights not included. Instructions included.
#1885 Static Equilibrium Apparatus (Vertical Force)
This apparatus incorporates a patented eye and lug assembly that automatically
brings coplanar forces into a concurrent relationship and equilibrium.
With this unit, experimental error of 1% or less can be obtained.
Being vertical, this unit is ideal for full class demonstrations, contrary
to standard force tables. Experiments demonstrating the parallelogram
method of adding forces can be exercised. Includes the study of translational
equilibrium and models of equilibrium and problems involving 3 and 4 coplanar
forces. Everything is provided, including: wood base with support
rods, string, weight set, 3 protractor units, 3 bearing pulleys, 2 nylon
lugs and instruction manual.
#1811 Longitudinal Wave Demonstration.
For demonstrating resonant waves such as propagation, reflection and
interference.
#1813 Wave Demonstration Spring
Studying waves in physics class can sometimes be difficult for students
to conceptualize. This 3" diameter flat spring steel apparatus can
make visualizing wave propagation much easier. The plated spring
can be stretched across the room allowing the entire class to witness the
wave traveling back and forth.
WEIGHTS HOOKED
Nickel Plated Copper
#2500-5 Weights, Hooked, Nickel Plated, 10 grams
#2500-6 Weights, Hooked, Nickel Plated, 20 grams
#2500-7 Weights, Hooked, Nickel Plated, 50 grams
#2500-8 Weights, Hooked, Nickel Plated, 100 grams
#2500-9 Weights, Hooked, Nickel Plated, 200 grams
#2500-10 Weights, Hooked, Nickel Plated, 500 grams
#2500-11 Weights, Hooked, Nickel Plated, 1000 grams
WEIGHTS SLOTTED
Nickel Plated Copper
#2500-3 Weights, Slotted, Nickel Plated Copper, 1 gram
#2500-3A Weights, Slotted, Nickel Plated Copper, 2 gram
#2500-3B Weights, Slotted, Nickel Plated Copper, 5 gram
#2500-3C Weights, Slotted, Nickel Plated Copper, 10 gram
#2500-3D Weights, Slotted, Nickel Plated Copper, 20 gram
#2500-3E Weights, Slotted, Nickel Plated Copper, 50 gram
#2500-3F Weights, Slotted, Nickel Plated Copper, 100 gram
#2500-3G Weights, Slotted, Nickel Plated Copper, 200 gram
#2500-3H Weights, Slotted, Nickel Plated Copper, 500 gram
#2500-4 Hangers for Slotted Weights, 50 grams, 210mm length
WEIGHT SETS
Nickel Plated Copper or Steel
#2500-1 Weight Set, Hooked. 1-1000 gram, 1-500 gram, 2-250 gram,
1-100 gram, 1-50 gram, 2-20 gram, 1-10 gram.
#2500-2 Weight Set, Slotted, with stand. 1-500 gram, 2-200 gram,
1-100 gram, 1-50 gram, 2-20 gram, 1-10 gram.
#2500-12 Weight Set, Slotted with Hanger. 1-50 gram, 9-20 grams,
1-10 gram, 2-5 grams.
#2500-13 Weight Masses, Precision Set - 8 pcs. 1-50 gram, 1-20
gram, 2-10 gram, 1-5 gram, 2-2grams, 1-1 gram.
#2500-14 Weight Masses, Set - 12 pcs.. 1-500 gram, 2-200 grams,
1-100 gram, 1-50 gram, 2-20 grams, 1-10 gram, 1-5 gram, #2-2 grams, 1-1
gram. Housed in a wood case and supplied with tweezers.