| Description | The file contains parts 1 and 2 of the handbook for the drum revolve, with original dividers, covering introduction, mechanism and construction, drum revolve control, drum revolve performance data, preventative maintenance, fault finding and removal and replacement. The handbook includes a fold-out drawing of the control panel on p. 27 and a number of figures showing the construction of the drum revolve. The original ring binder has been disposed of. 'N.T. Drum Revolve Handb'k Pts. 1 & 2' was written on the spine, and 'Drum Revolve Handbook Parts 1 and 2.' was typed on a sticker on the front. . |