Ventilating room

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“Cold air flows up through the pipe a, and is heated by stobe b, inclosed in sheet iron c. The smoke stack e warms the air about it in brick flue f and thus draws the foul air through the opening d.” —Davison, 1910


TIFF (full resolution)

2400×2146, 795.3 KiB

Large GIF

1024×915, 150.8 KiB

Medium GIF

640×572, 78.8 KiB

Small GIF

320×286, 30.4 KiB