An S-shaped acrylic bar 220 x 15 x 15mm, which can be used to demonstrate
total internal reflection and help students to understand the principles of
optical communications. The bottom of the bar is painted white to aid
visibility.


Free on orders greater than £100

Free on orders greater than £250
Demonstration light guide (Each)
Item #: XOP480011£39.69
Demonstration light guide (Each)
UK mainland (excluding Northern Ireland, Scottish Highlands, Channel Islands and the Isle of Wight) :
Orders less than £100.00 are subject to a £7.50 carriage and packing charge.
Free delivery is available on all standard stock orders over £100.00 (exclusive of VAT, Hazardous Chemical Delivery Surcharge)
Northern Island, Isle of Man, Scottish Highlands, Channel Islands and Scilly Isles:
Orders less than £250.00 are subject to a £12.00 carriage and packing charge.
Free delivery is available on all standard stock orders over £250.00 (exclusive of VAT, Hazardous Chemical Delivery Surcharge)
International :
We ship to most countries and carriage is quoted as extra. Please contact our international team for further information.