Irwin Powermeter Twin £194.25
Irwin Digital Balance 1000g/0.01g £168.00
Charles Law SmartCase Pack £167.95
Irwin Powermeter AC £141.75
Irwin Powermeter DC £131.25
Boyles Law £120.00
Loudspeaker Unit £41.95
110 Volt Test Lead £38.95
Digital Infa red thermometer £32.50
Charles Law Apparatus £18.85
School Stop Clock £14.50
