Hemingray Insulator Profile: CD 304/310  
This style is nicknamed the "Coolie Hat", and appears to be the replacement for the earlier CD 303/310 9" Muncie Type. 

Dimensions: 12" H x 9" W
Years Produced:
Rarity Scale (1-10): Fairly Common (4)
Usage: High Voltage
Hobby Nickname: Coolie Hat
Known Embossings (3) Collapse
HEMINGRAY [010] (F-Skirt) HEMINGRAY/PATENT MAY 2 1893 {CD 310 sleeve is unembossed} SDP Photo
NEW! HEMINGRAY [020] (F-Skirt) HEMINGRAY/PATENT MAY 2 1883 {Note 'MAY 2 1883' date} {CD 310 sleeve is unembossed} SDP Photo
NO EMBOSSING [010] [No embossing] {Hemingray product} SDP Photo

The following embossings were removed from the price guide because they could not be verified to exist:

Unverified Embossings
Year Removed

Looking for the value of this insulator? Click here.


Home | Database | About Me | Wanted List | What's New | Journals & Photos | Laugh Lines | For Sale | Links | Contact Me