This old text contains 230 formula of chemical combinations to color gun metals. Complete instructions for the use of each process are included in this hard bound volume of 151 pages.
The Table of Contents includes the following:
Part 1. General Division
I. Introduction
Historical
Nature of Gun-browning
II. Browning Process
General
Degreasing
Derusting, denickelling, pickling and matting
Application of brown
Rusting
Darkening
Scratching
Neutralizing
Retouching
Fixing (finishing)
After-treatment
Special cases
Protective value of browning
Removing old browning
III. Preparation of Blueing and Browning Solutions
Simple chemical explanations
Workroom quantities
Equipment
Water
Preparation
Chemicals
Storing Chemicals
Part 2. Special Division
IV. Browns ("Blues") and working instructions
General
V. Pickling, etching, matting. Finishing twist barrels