Before the chemists of the 19th century understood electrochemistry, most metal items were made from one solid hunk of metal; the same on the inside, outside, and everywhere in between.
Send this to a friend
you are now signed up to the Make: newsletter.
Thanks for signing up. Please check your email to confirm.
Your FREE PDF is on its way. Please check your email. You will also be receiving the weekly Make: Newsletter to keep you inspired with new projects and more product reviews.
The reCAPTCHA box was not checked. Please try again.