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Principles of metal colouring and finishing
Retro Publishing. Second edition. Copyright 2007
This book is in pdf format and comes on cd. It is 37 pages long and was first published in 1914.
This second edition retains all original content along with safety data sheets for the chemicals described. There are no proprietary or commercial products in this book. All formulae list basic chemicals and solutions.
One example is to produce a golden yellow to orange to polished brass. The author describes using a solution of 5 parts caustic soda to 50 parts water with 10 parts copper carbonate added. The author states that when the desired shade is reached the item is then washed and dried in saw dust.
Here are the content headings:-
Producing Colour by Heat Treatment
Pickling Preparatory to Colouring
T o Produce Bronze Like Colour
The Niter Process for Bluing Iron & Steel
Colouring Non-ferrous Metals and Alloys
To Produce Yellow or Orange Colours
To Produce White Colours or Coatings
To Produce Lilac Blue and Violet Colours
“Heat Black†Finish on Brass, Bronze & Copper
Applying to Brass & Other Metals
