Two bar magneto Wood wall telephone produced by Peel Conner | Science Museum Group Collection
The Old Hand-held Magneto Telephone Is Adapted To The Electric Hand Alternator To Find The Happy Yellow Stick Fish. - Electrical Contacts And Contact Materials - AliExpress
GEC Crank / Magneto Bakelite Telephone - Etsy
File:LM Ericsson Magneto Telephone.JPG - Wikimedia Commons