History | December 8, 2023
Guest post: Jos Heinrichs copper/steel bimetal “KA-2”“This is far thicker than the 2.5 mm at which modern stainless lined copper maxes out.”
For the love of it
History | December 8, 2023
Guest post: Jos Heinrichs copper/steel bimetal “KA-2”“This is far thicker than the 2.5 mm at which modern stainless lined copper maxes out.”