Photochrom and Co
of 80 Fleet Street, London, EC4. and Graphic Works, Tunbridge Wells.
Printers worked with a team of lithographic artists. They played an important role in maintaining the high standards required by London Transport in the production of its posters. London Transport regularly used the same few printing firms. However, on an occasional basis they used different printers, such as this company.
- 1929 Listed Exhibitor - British Industries Fair. Printers of Art Productions, comprising Local View Publications, Greeting Cards, Calendars, etc. (Stand No. R.55) 
Sources of Information
- 1929 British Industries Fair Page 136
-  London Transport Museum