IOTW CD 199
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Contents |
CD 199
Nickname
None
Patent Information
(similar design) Utility Patent 289,449 issued to Necter ROUSSEAU on December 4, 1883
Embossing Types
Embossing: Raised emerald pattern (prism) on umbrella. Collectors refer to this raised embossed pattern as a prism, but Knowles registered this trademark as an "emerald".
Colors: Blue and varying shades of green, from light green to yellow olive green.
- PicturePoster #6361692 (blue)
- PicturePoster #211849023 (yellow green)
General Comments: Transposition style insulator distributed by Knowles Supply Company in the early 1900s. Likely produced in Elmer, New Jersey, possibly by Novelty Glass? Many of these have been found in California. Collections purchased from retired lineman over the years in Southern California have produced several yellow green to yellow olive green examples, some vnm-mint, others with considerable damage. A beautiful yellow olive green CD 199 recently surfaced in an estate sale of a gentleman that once worked for Pasadena (California) City Lighting. Maybe we can hear some reports on their usage outside of California?
These are quite susceptible to umbrella and base damage. Mint specimens are very scarce. This style is unique to Knowles and one of my personal favorites.
These brief comments on the Insulator of the Week are not intended to be complete and are presented to encourage discussion and additional information from ICON. Now it's your turn to share info and/or post photos of your favorite CD 199!
