I have heard of a process for creating images on copper sheets using ammonia
Amazon affil links] fumes just like in the blue printing process. I would appreciate any instruction or leads on how to do this. Thanks.
Gary Gladwish - Seattle, Washington 1999
(No "dead threads" here! If this page isn't currently on the Hotline your Q, A, or Comment will restore it)
Disclaimer: It's not possible to fully diagnose a finishing problem or the hazards of an operation via these pages. All information presented is for general reference and does not represent a professional opinion nor the policy of an author's employer. The internet is largely anonymous & unvetted; some names may be fictitious and some recommendations might be harmful.
If you are seeking a product or service related to metal finishing, please check these Directories: