Gives, left hand page: month; invoices, folded, endorsed with name of supplier and numbered (a) seriatim, (b) with cross-reference to page of Bought Ledger; total amount; paper; ink. Gives, right hand page: fixed plant and machinery; motive power and gearing; repairs of machinery; type; foundry for plate; coals; consumable stock; expenses of fitting machinery, treacle, glue, oil, etc.; railway; loose plant; furniture, fixtures, etc.; Monotype Department; miscellaneous expenses; rechargeable expenses. (These are heads under which total of each invoice is distributed.) Totalled monthly under these heads.