The Canadian Vintage Radio Society has a number of videos that you will find informative.
In addition to the videos here, there are many more videos produced by Local Chapters of the CVRS. Videos from the Victoria Island Chapter can be seen here.
Videos from the Albert Chapter are available here. And for additional information about the Albert Chapter Videos read this.
Sparc Museum Slideshow
Hammond Museum Slideshow
Stuffing Capacitors Demonstration
A Restored Brunswick Gramaphone Playing a Record
Nickel Plating a Turntable Platter
1921 Silvertone Gramophone Restoration
Transcription Broadcast Turntable Restoration