For demonstrating that white light may be composed from all the spectral colours by rotation of a multi-coloured disc. Comprised of a multi-coloured disc, 180mm in diameter, mounted on a metal stand and driven by a belt with the help of a driving wheel, fitted with a handle.
Every order received by Westlab before 12pm PST will be dispatched on the next business day.
Shipping Time Based on Delivery Location
British Columbia/local shipments deliver in 1-2 business days
Alberta shipments deliver in 2-3 business days
Prairies (SK & MB) shipments deliver in 3-4 business days
Ontario/Quebec shipments deliver in 4-5 business days
Maritimes (NL, PEI, NS & NB) shipments deliver in 5-7 business days
Territories (YT, NT & NU) shipments depend on shipping service & location
*Ask our team for more information about shipping up north
Every order received by Westlab before 12pm PST will be dispatched on the next business day.
Shipping Time Based on Delivery Location
British Columbia/local shipments deliver in 1-2 business days
Alberta shipments deliver in 2-3 business days
Prairies (SK & MB) shipments deliver in 3-4 business days
Ontario/Quebec shipments deliver in 4-5 business days
Maritimes (NL, PEI, NS & NB) shipments deliver in 5-7 business days
Territories (YT, NT & NU) shipments depend on shipping service & location
*Ask our team for more information about shipping up north