Item 74516 - Stanley Model D electric meter, 1898

Item 74516 - Stanley Model D electric meter, 1898
Contributed by Maine Historical Society
Item 74516
Stanley Model D electric meter, 1898
Zoom
4200px x 3021px - 14.0"w x 10.1"h @ 300dpi  |  Need a larger size?
*Credit line must read: Collections of Maine Historical Society
Image Info

William Stanley, who started a company in Great Barrington, Massachusetts, developed this meter that was attempted to eliminate friction caused by the jewel bearings. The hollow steel shaft is mounted between two magnets, which are adjusted so that the disk "floats" between the magnets.

Show Details