*Valid November 28, 2024 - December 2, 2024 at Canadian stores and at indigo.ca, while quantities last, with $50.00 or more pre-tax purchase of eligible product(s), after discounts and plum points redemptions. Minimum purchase amount excludes gift cards, plum+ memberships, Love of Reading products/donations, and shipping costs. Selection may vary between stores and online.
Tungsten Lamp as a Secondary Standard of Light/en-ca/tungsten-lamp-as-a-secondary-standard-of-light/43F8F21A-2F4F-49C8-88B8-3FA40B6DBD34.html43F8F21A-2F4F-49C8-88B8-3FA40B6DBD34