Document YqNNdL7D6yn4wxEGdDryBEoV

M 6 7. Metal strops tie insulating blocks to. mesh on bock swill of air'heater. Note the exponsion Joint at lower right Alr-heolcr Inspection door showing corner beading, loth ond tie wires. Metal strops (not shown) are olto used Many Application Methods Are Used in Insulating a Modern Boiler Careful planning and.accurate fitting insure a tight job, good for many yean of service. In this photo story, neat finish shows work quality I'lHIWMa--" ---------------- --------- --- A Securing lie .Ire. lor block Mulatto, on boiler wpac 1 A He,, half-put. or. b.lr.g applied to o 8 heeler "oli. Block |oinl, pointed .lib Inculollng cemenl IV ,eclrculotlng.orr duel. Stucco loth ll over Insulation 74 ENGINEERING AND MANAGEMENT SECTION POWER 'It *,eP* ^ applying the block 4 A Secondary collector during appllco* 4 A Finished insulation |ob on the fon .TI' Insulation to cyclone separators tfon of the'curved block insulotlon lv obove the secondary dust collector My 1933 ENGINEERING AND MANAGEMENT SECTION turn page