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拍品專文
This patent was submitted in 1933 and it has been suggested this design was used in lifeboats. A copy of the patent is sold with this lot.
細節
A BRASS WATERTIGHT COWL VENTILATOR
with plaque inscribed Pat No. 401023 KEEP VENTILATOR FILLED WITH WATER TO LEVEL OF OVERFLOW HOLES -- 28½in (72.5cm.) high; together with a converted anchor lamp -- 24in. (61cm.) high; and a triple light lamp with green, clear and red glass ports, with burner -- 8in. (20cm.) high.
See illustration on page 29 (3)
with plaque inscribed Pat N
See illustration on page 29 (3)
注意事項
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