. Bulletin of the United States Fish Commission. Fisheries -- United States; Fish-culture -- United States. Fig. 5. have been able to repair them myself. The arc lamp has destroyed two of these sockets, probably by arcing through the socket as the cir- cuit was opened or closed. For this reason I have substituted two key sockets (Fig. 4.) for two ordinary sockets at points where the arc lamps were attached, and am now making a special attachment which I think will eliminate this Fig, 6. The safety plugs, shown in perspective in Figs. 5 and 6, and in sec- tion in Fig. 7, have answe
. Bulletin of the United States Fish Commission. Fisheries -- United States; Fish-culture -- United States. Fig. 5. have been able to repair them myself. The arc lamp has destroyed two of these sockets, probably by arcing through the socket as the cir- cuit was opened or closed. For this reason I have substituted two key sockets (Fig. 4.) for two ordinary sockets at points where the arc lamps were attached, and am now making a special attachment which I think will eliminate this Fig, 6. The safety plugs, shown in perspective in Figs. 5 and 6, and in sec- tion in Fig. 7, have answered their purpose admirably. The piece of solder {a, Fig. 6.) melts at a lower temi)erature than the wires, and is destroyed in event of a low resistance short circuit on the Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States Fish Commission. Washington, The Commission, Govt. Print. Off
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