Multipart Insulators from 1905 H.W. Johns-Manville Catalog
By Colin Jung; posted February 14, 2012
View Original: Click to zoom, then click to magnify (800 x 561) 1315KB
|
Catalog cut sheets from 1905 H.W. Johns-Manville Co. Electrical Catalog. According to Dave Dahle, the one on the left is likely M-4321 and the one on the right is clearly M-3250. |