298

MODERN STEAM PRACT1CE;

eqi q.fä 'pmmj

m 9L

Vaawsri 73 26 W

Styl ££ 'dUTlSSVurf 'p7crtu£

Average, Pressure Ibs

'dm?93j x £ 9ßru2ny?qr^

3

£

ft.

1

1

be fully open during the whole period for the admission of steam.