 1AMD |  1ASWD |  4A2-12 |  5-24VSR |  5A1-12 |  5A2-12 |  5V1ACL |
 5V2A |  5V5A |  6A |  8A1-24 |  8A2-12 |  8A Variable Metered |  8A VAR |
 10A VAR |  12V 2A |  12V3A |  24V Metered |  Battery/Mains Laser |  312 |  333 Digital Balance |
 2001 |  2002 |  2003 |  15-0-15 |  APS CL |  APS PHY |  APS Quad |
 Basic Electricity Teachers Guide |  Budget Ray Box |  Bridge Rectifier Demo |  Budget Power Supply |  Digital Voltmeter Ammeter |  Demo Laser |  Digital Stop Clock |
 Dual Bench Meter |  EK1 Electricity Kit |  Lamp Brightness Experiment |  Fantasia |  Free Fall 1 |  Free Fall 2 |  Mains Controller |
 MFA Power Module |  Multi Volt PSU |  Music Box |  Music Box Family |  National Grid Sim |  Technicians Friend |  PAT25 |
 PAT25 Circuit Diagram |  PAT5001 |  PATCH |  Patch Mki |  Portable Signal Generator |  Power Pack System |  Power Supply Module |
 Powerlock |  Powerlock Electronic |  Power Switch |  Powerswitch Electonic |  Raymond the Raybox |  Salamander |  Scorpion |
 Spider |  Standard Raybox |  Ticker Timer |  Universal Ticker Timer |  Vortex |  Westminster |  Rocker Switches |
 Battery Laser Ray Box |  Mains Laser Ray Box |  Colour Mixing Apparatus |  White Light Apparatus |  Radiant Heater | 
IIshihara Colour Blindness Test | 
Green/Red Laser Ray Box Modification |
 Demonstration Colour Mixing Apparatus |  Digital Microscope Instructions |  Master/Slave PSU system |  ERIC |  Locktronics PSU |  Radiant Heater Recall | Switches |