[Bubier], Edward Trevert, 1858- [from old catalog] · Lynn, Mass., Bubier pub. co. · leaf 307
Figure 7. Fasten the magnet to your base-board by meansof brass angles. On the under side of the boardcut out a place for the tension spring, which mustbe fastened to the board at one end, and at theother have a hook to engage with that on the coil.A small screw passing through the board and KECENT… … //f^o/f. /fo/v Co/ft Figure 8. it with the coil from the plug as shown. The plugwill serve to bring the coil to zero if it should getdisplaced. The core is to be fastened to a blockbehind, which is shown in section, and must leavethe coil free to rotate about the suspension, for 20 306 ELECTRICITY…
Electricity
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