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The Locomotive - Lighthouse Survival Blog

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PUBLISHED BY THE HARTFORD STEAM BOILER INSPECTION AND INSUlfl^NCE COMPANY.<br />

New Series — Voi,. XIV. HARTFORD. COXN., JUNE, 1893. No. 6.<br />

Extension Furnaces for Upright Boilers.<br />

Ix a previous issue of <strong>The</strong> Loconiotivk (the issue for March, 1891,) we ilhistrated an<br />

ixteusion furnace designed ami patented by Mr. .T. M. Allen, President of this company,<br />

Fig. 1.<br />

—<br />

ffi^<br />

-wK_<br />

'^^^Ofe^<br />

Front View of External Furnace as Applied to Upright Boilers.<br />

as applied to horizontal boilers. Many of these furnaces are in operation to-day, burn-<br />

ing the waste of saw-mills, pulp-mills, and tanneries, with good results. <strong>The</strong> present<br />

illustrations show this furnace as adapted to vertical boilers with internal fire-boxes, and

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