Glass and metal vacuum tube accompanied by its original rectangular cardboard box in red, black, and gold colors. The box features the Marconi logo in red script over a globe outline and the RVC monogram in gold, along with the inscription “Canadian Marconi Company – Radiotron.” The end flap reads “32.”
The tube has four metal prongs and bears a faint red marking “Made for Canadian Marconi Company.”
Used in radio receivers for signal detection and amplification, this vacuum tube represents early radio communication technology produced under the Marconi brand, which played a key role in advancing wireless communication in Canada.
