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Leeds & Northrup apparatus at the Louisiana Purchase Exposition 1904 (1904)
Leeds and Northrup Company · Leeds and Northrup Company · leaf 6
5o/So/<fcr- Cofpei— KSo/<fere<f S,/H Fig. 4 … THE LEEDS* NORTHRUP CO.PHILADELPHIA.Electricity · Electrical Equipment · Electric Circuits · Electronics
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More pictures from Leeds & Northrup apparatus at the Louisiana Purchase Exposition 1904
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