Hi does anyone know were I can buy 3 wire braided handset cords for old 1950's telephones?
https://www.houseoftelephones.com/products.htm The owner is a fellow member of the Antique Telephone Collectors Association. His name is Odis Levrier.
He has some of the original machines that are used to weave the outer fabric coverings.
You will not be disappointed in his products.