[Bubier], Edward Trevert, 1858- [from old catalog] · Lynn, Mass., Bubier pub. co. · leaf 194
192 ELECTRICITY AND ITS The next object is the circuit-breaker, which ismade from a piece of soft Norway iron ; turn itwith a shoulder as shown in Fig. 2. Make twowashers—Fig 3—out of fiber or hard rubber,slightly counter-boring one to conform to the shoul-der left on the iron core and have thern… … fjj & t / 3Z 2:
Electricity
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten07unit-817-533.webp)
