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Pole Top Discoveries' Event #2404
Invoices should be completed by mid afternoon Saturday
#3616 Unmarked. "Mushroom." White porcelain. 
- Sold Winning Bid: $80.00
- 3 Bid(s) View Bid History
- Lot # 3616
- System ID # 768814
- End Date
- Start Date
#3616 Unmarked. "Mushroom." White porcelain.
Width: 5 inches.
A two piece insulator used in drop wire applications, and serving as a dry spot. The bottom threaded piece, which screws into the top mushroom shaped portion, has four openings for receiving wires, as illustrated in the third photo.
The second photo depicts the differences in size and configurations of the three bottom sections (inserts) to the insulators in Lots #3616-#3618. Lot #3616 is on the left.
The third photo is a copy of illustrations which were in a Parvillee Freres & Cie catalogue. Note how complex the insulators were configured. The right drawing is especially interesting, as it shows in great detail how the wires traversed from the pole line, and then into a structure.
P.F.C. offered a wide assortment of both glass and porcelain insulators. Various types of French glass insulators, including nosers, t-bars, spooks etc. are marked "P.F.C." and usually with an additional model number.
The very top of the screw thread on the insert has just a little nibbling. Remainder of insulator is in very near mint+ condition.