The Autotype process
Subtitle: being a practical manual of instruction in the art of printing in carbon, or other permanent pigment, with a notice of the autotype mechanical printing process.
Contributors: Spencer, Sawyer, Bird, & Co.
Edition: 4th ed., rev. and enl.
Publisher: Spencer, Sawyer, Bird, & Co.
Published: 1875
Place of publication: London
Language: eng
Number of pages: 98
Subjects: Photography -- Printing processes -- Carbon.; Autotype process printing.; Intaglio printing.; Prints -- Technique.
Other titles: Practical manual of instruction in the art of printing in carbon; Autotype manual.
Notes: Attributed to Sawyer by Roosens & Salu.

"Fourth edition of the Autotype manual" - Preface.

Pages 91-98 advertisements for Spencer, Sawyer, Bird, & Co.

Collotype frontispiece.

Roosens & Salu. History of photography ; 585.