A set of white plastic drawing board instruments with black markings. Can be used on white, green or blackboards.

Specification:

• Metre rule marked every cm. Figured every 5 cm on one edge and 10 cm on the other.
• Set square 45 degree marked every cm on all edges, figured every 5 cm, base 640 mm.
• Set square 60 degree marked every cm on all edges, figured every 5 cm. base 640 mm.
• Protractor semi circular marked every degree and figured every 10 degrees in both directions. Base 420 mm.
• Compass with arms 440 mm long. Each arm has a reversible foot giving a choice of either a rubber or spiked foot. Each arm has a clutch jaw to hold a marker pen or chalk.

Features:

• Complete System - no hidden accessories required
• Modern design concept to eliminate cumbersome runways
• Repeatable results achieved
• Low friction trolleys
• Purpose designed track
• Includes Ticker Tape Timer
• Exceptional educational value
• High quality
• Low cost

The modern way of conducting experiments in Dynamics without the inconvenience of storing huge runaways. The STE Dynamics System provides an efficient and convincing format for demonstration and project work giving repeatable results. Students can carry out investigations into Kinetic Energy, Motion on an Inclined Plane, Momentum, Force on a Mass, Elastic Collisions, Transfer of Energy, Simple Harmonic Motion and many more. The STE Dynamics System comes complete with all the accessories required to carry out the whole range of experiments associated with Dynamics.

Contents:

Extruded Aluminium Track 1.25m long with bracket for Pulley & housing for precise alignment of Ticker Tape Timer, 1 Standard trolley with housing for doubling the mass , 1 Trolley with Spring Loaded Plunger & housing for doubling Mass 10 Mass pieces, 1 Ticker Tape Timer ( AC), 5 Reels of Ticker Tape, 20 carbon Discs, 1 stopwatch, 1 Spirit Level, 1 Tape Measure & 1 Reel of Cotton.

All the accessories are housed in a strong plastic case which enables the teacher to check the contents at a glance at the end of every lesson.

Features:

• Simple Demonstration
• Robust onstuction
• Investigations in to AC Wave Forms
• Energy Conversion

A very simple method of introducing the subjects of energy conversion, the study of AC wave forms , the principals of electric generators and motors or simply demonstrating that a mechanical movement can produce electricity to light a lamp.

Specification:

Features:

• Can be used on OHP
• Clear Demonstration
• Aids Understanding of Complex Principals
• Adjustable Electrodes
• Point and Straight Electrodes

An extremely useful visual aid to show the pattern of electric fields clearly. The apparatus consist of a flat perspex base with a mounted plastic petri dish which holds the fluid.

Semolina or lycopodium powder is spread on the fluid and the electrodes are inserted. A current is passed through the electrodes and the electric field pattern can is observed.

There are two types of electrodes supplied, a single point electrodes and straight electrodes which allow the different patterns to be compared.

Specification:

Base, 180 x 180mm
Petri Dish 90mm
2 Single Point Electrodes
2 Flat Plate Electrodes

Features:

• Wide range of experiments and investigations
• Stimulating and motivational
• Excellent educational value
• Competitively priced

The 'Westminster' approach to teaching electromagnetism has proven successful, motivational and versatile method of developing an understanding of the various aspects of electromagnetism over many years.

Contents:

8 Anisoptropic Alloy Magnets, 8 Anisoptropic Ceramic Magnets, 4 Steel Magnets, 8 Yokes, 8 Plotting Compasses, 8 Formers, 1 Iron Filling Dispenser, 1 Bottle of Iron Filings, 8 'C' Cores, 8 'C' Clips, 8 Rings & Split Rings, 8 Support Bases, 8 Armatures with Axle Tubes, 8 Axle Rods, 8 Split Pins, 8 Rivets, 1 Reel of Rubber Tubing, 1 Reel of Copper Wire, 1 Reel of Selotape, 1 Reel of White Cotton, Carbon resistors (10W & 100W), Flash Lamp Bulbs, Bulb Holders (MES), 1 Wooden Clamp, Copper Foil

Features:

• Mounted on a Perspex Base to Allow use on and OHP
• Simple operation
• Exciting Experiment
• Energy Conversion

This simple, yet effective apparatus consists of two circular metal plates with terminal connections mounted on perspex rods. Securing clamps on the support pillars allow the gap between the plate to be adjusted.

The unit can be placed on the OHP for demonstration purposes or used on the laboratory bench for student use.

The apparatus allows the teacher to show the capacitance of air or using a graphite covered sphere show the is charge effect of the energised plates.

Specification:

Metal Plate diameter, 110mm
Base, 180 x 180mm
Total height, 120mm

Features:

• Unique Design of Connection between each Energy Source and Light & Switch
• Precision Engineered
• High Educational Value
• Clear Simple Experiments / Demonstration
• Topical subject when linked to Green Issues
• Motivational for Students
• Available as a complete kit or as individual units

The STE Malvern Energy Conversion Kit, originally designed at Malvern College Oxford is a proven system for developing an understanding of energy related subjects.

Although other Energy Conversion Kits are available the STE kit follows the original concept closely and provides a unique design feature which allows fast, precise connection of individually units to the Switch and Triple Light unit without the need of cumbersome 'G' clamps.

The Kit allows investigations in to the following areas of energy conversion:

• Dynamo driven from a Flywheel to lamps
• Falling mass drives a Dynamo via Lineshaft to light lamps
• Small motor / Generator drives Dynamo to light lamps
• Electric Motor drives pulley on Lineshaft to raise a mass
• Handwheel Drive Unit drives a Dynamo to light Lamps
• Power stored in a Battery drives Electric Motor
• Steam Engine drives pulley on Lineshaft to raise mass
• Steam Engine drives Dynamo light lamp
• Power from a Water Turbine used to light Lamp
• Electric Motor drives a Pump to raise water
• Energy stored a Rubber Cord used to light lamps
• Heat produced by friction raises temperature of water in calorimeter

The complete Kit offers the following items which can also be purchased individually:

1 Large Motor Generator Unit. EC001/1

A high quality motor used for driving a dynamo. Electrical connection is via two 4mm sockets.

Specification:

Operating Voltage 2 to 6 V DC
Drive Pulley 12mm
Base 150 x 200 10mm

2 Small Motor Generator Unit EC001/2

Again a high quality electric motor is used to ensure a long trouble free life. The primary purpose of this unit is to compare the power input and output with the Large Motor Generator.

Specification:

Operating Voltage 1.5 to 4.5V
Drive Pulley 12mm
Base 150 x 200 10mm

3 Flywheel Unit EC001/3

This unit is a component part of a clear demonstration of the conversion of Electrical energy to Kinetic and back again when used in conjunction with the Motor Generator and Lamp Unit.

Specification:

Flywheel Diameter 100mm, Chromed Steel
Pulley 12mm
Base 150 x 200 x 10mm

4 Line Shaft Unit EC001/4

The Line Shaft Unit is used to show the conversion from Electrical energy, via Mechanical, to Potential energy by winding up a mass on a cord. The falling mass drives the Generator and produces the power to light a lamp showing the reverse of the cycle.

Specification:

Pulley 12mm
Base 150 x 200 10mm

5 Friction Calorimeter EC001/5

This unit demonstrates the conversion of Electrical energy to heat via Friction on the outside of a rotating vessel.

Specification:

Cylinder Diameter 27 x 16mm
Pulley 12mm
Base 150 x 200 x 10mm

6 Turbine Pump Unit EC001/6

The Turbine Pump Unit is designed to drive a Generator to produce Electricity when used in the Turbine mode or for use as a Pump driven by the Motor to raise a " Head of Water" to produce Potential energy. The rugged construction has a tough Perspex window to show the functions of the blades of the Turbine. Reasonable water pressure is required from the Laboratory tape is required to show the Turbine driving the Generator effectively.

Specification:

Turbine 6 Blade
Pulley 12mm
Base 150 x 200 x 10mm

7 Head of Water Unit EC001/7

Used in conjunction with the Turbine Pump Unit to provide an open and closed system in demonmstrating the conversion of Electrical energy to Kinetic energy in the pump and from Potential energy in the Head of Water. The construction comprises of two vessels and conecting tubes with a two level platform.

Specification:

Upper Vessel Capacity 400ml
Lower Vessel capacity 400ml
Base 150 x 200 x 10mm

8 Switch Triple Light Unit EC001/8

This unique design houses the combined Switch, Triple Light Unit and a fixed jig to hold the other connecting units which provide the energy to light the lamps and fulfils the requirements of showing the change over switch.

The alignment of the pulleys for interconnection of the units with the Drive Belts is assured and therefore provides an efficient performance without the use of 'G' clamps. The Switch is a double pole / double throw knife switch for the connecting the motor - generator energy sources or the Lamp Unit.

The Triple Light Unit comprises 3 MES lamps which are connected parallel and provides an indication of the energy out puts form the various sources and also indicates the energy requirement to light each individual lamp.

Specification:

Switch Double Pole / Double Throw
Lamps 3.5V, 0.25A, MES
Base 150 x 200 x 10mm

9 Spring Unit EC001/9

This unit shows the conversion of energy stored in a twisted rubber cord to Electrical energy. The tough rubber cords are attached to a fixed point and to a shaft with a Pulley supported by pillars. The cords are wound up and when released the drive shaft in turn drives a Generator Unit via a Belt and Pulley.

10 Steam Engine Unit EC001/10

Mounted on a wooden base plate which slots into the mounting jig, is a single cylinder Steam Engine with Flywheel and Pulley. The boiler has a drain cock / safety valve and uses solid fuel pellets. The unit is used to drive the Motor Generator Unit which in turn lights the lamps.

Features:

• Traditional design
• Simple convincing demonstration
• Complete with spheres

A simple visual demonstration of the principal that a body propelled horizontally will fall at the vertically at the same rate as a body allowed to fall freely.

The apparatus comprises of a spring loaded 'L' section launcher with holes for locating two 19mm steel spheres which represent the falling bodies. The launcher is activated by a push button mechanism, one steel sphere is propelled horizontally and the other drops freely. The mechanism is mounted on a wood base and has an inbuilt compartment to hold the steel spheres when not in use.

Supplied with complete with two steel spheres.

Specification:

Unit dimensions - 180 x 60 x 30mm

Features:

• The Largest Fluid Pressure Apparatus Commercially available to Education
• Most Competitive Price
• Clear Demonstration of how Pressure Increases with Depth in Fluids
• Simple Operation
• 480mm High

The STE Fluid Pressure Apparatus, or Spouting Jar is a tall PVC cylinder with three apertures of the same size evenly spaced in a vertical line.

The cylinder is then filled with water and the students observe that water emanating from the lowest aperture is projected further than that on above.

Specification:

Dimensions 480 (h) x 90 (diam.) 200 x 200mm 9base)

Features:

• Simple solution to demonstrating complex concepts
• Supplied complete ready for use
• Bench Standing
• Compact
• Low maintenance

The STE Force Board Kit provides the teacher with a simple solution to demonstrating the principals of the parallelogram and polygons of forces. The backboard is constructed from a hard wearing, low maintenance material with a grid printed in black and is bench standing.

The kit is supplied complete with detachable feet to provide for easy storage when not in use, ball bearing pulleys, a reel of cotton, 3 hooks and a mass set.

Specification:

Dimensions 400 x 550mm

Features:

• Modern design of a traditional method of determining 'g'
• Repeatable results easily achieved
• Simple operation
• Robust construction
• Low maintenance

A redesign of a traditional method of determining 'g'. An electromagnet is energised and a steel sphere is attached. When the power to the electromagnet is switched off the sphere falls and the unit automatically activates a timer. The sphere hits a large platform which then stops the timer and the speed can be ascertained.

The size and sensitivity across the whole of the stop platform allows repeatable results to be achieved effortlessly.

Specification:

Electromagnetic / Start Gantry - 12 V
Stop Platform ? HxDxL

Accessories:

4mm Leads
STE Laboratory Timer, see Page???

Features:

• Designed Specifically for Education
• State of the Art Design
• High Quality
• Excellent Value
• Simple in Operation
• Complete No Quibble Guarantee

The STE Function Generator has been designed specifically to meet the rigours of every day use in the laboratory. The unit incorporates all the best design and manufacturing features within a most cost effective price.

The case is an inert, safe, hard warring, non-denting, shock absorbing, scratch proof plastic material which forms the standard for the majority of enclosures of STE electrical equipment.

The controls are laid out in a clear uncluttered configuration to avoid confusing the student and the connections are made via 4mm sockets on the front panel.

Specification:

Voltage, 230V
Frequency Range, 1Hz to 100Khz
Output, 0 to 5 V Peak to Peak
Wave Forms, Sine, Triangular and Square
Power, 5W into 40 Ohms