The Mentor: vol. 9, #6. July 1, 1921: Motion Pictures; the miracle of modern photography
New York: The Crowell Publishing Company, 1921. the monthly. 40p., 7x10 inches, includes 11p., b&w photos of the director-author at work, magazine i decorated monochrome stapled wraps show a bit of foxing round the margins and a short split in spinefold, good copy. This issue of The Mentor is devoted..... More
Cat.No: 168090

![Cat.No: 295239 The Mentor [14 issues]. W. D. Moffat](https://bolerium.cdn.bibliopolis.com/pictures/295239.jpg?width=320&height=427&fit=bounds&auto=webp&v=1668315253)