Canon Y17-3159 Flash Tube
Canon CY2-1234 Pin Spring
Beseler 10-43752 Elevation Crank
Genuine Beseler elevation crank for the 23C, 23CII, and the 23CII XL enlargers. #124 on the exploded view. Made by Beseler USA. Exploded views for the 23C can always help you find the part you need.