Teaching Cards Comprising photolithography colour proofs, teaching instructions on hard card including colour ideas and litho diagram set proof,; machines drawings and subjects relating to them such as cylinders, rotary, paper, rollers, anti-set off devices, composing, binding and warehouse, colour, inks and presses; type faces and different designs for book covers and/or invites. Also included are paper cards, possibly from Fenton's filing cabinet or perhaps a classroom, relating to typefaces and colours. [1920-1960s]