Identification chart for office copying processes from The Office Copying Revolution by Ian Batterham $5.00 Qty Out of Stock Place an Advanced Order Enter your e-mail address to be notified when product is in stock Notify Me! Product Description A wall poster that features micrographs of text produced by various copying techniques. Reproduced from The Office Copying Revolution: History, identification and preservation by Ian Batterham.   420 x 594 mm