CD 249

CD 249
Hemingray №0 Provo

Dimensions:	6 5⁄8" H × 8 1⁄2" W
Primary Embossing:The Primary Embossing is typically found on the front of the insulator and usually identifies either the manufacturer (such as "Hemingray") or the company that the insulator was made for (such as "AM.TEL.&TEL.CO.") Insulators with No Name or No Embossing are denoted as such.	HEMINGRAY
Years Produced:	c.1899-1900s
Style Identifier:Hemingray often used style numbers, letters, words, or a combination to differentiate their insulator styles (such as: T.S., E2, № 1 Provo Type, Muncie Type, etc.) These are often, but not always, embossed on the insulator.	0 Provo Type
Rarity Scale 0. No specimens known 1. Extremely Common (millions known) 2. Very Common 3. Common 4. Fairly Common 5. Uncommon 6. Very Uncommon 7. Rare (dozens known) 8. Very Rare (less than a dozen known) 9. Extremely Rare (2 or 3 known) 10. Unique (only one known)	Very Uncommon (6/10)
Usage:	Power (Primary Distribution)
Series:	Provo Type
Voltage Rating:	50,000 Volts
Weight:Weight is an average only (or as specified in original catalogs.) Weight may vary substantially depending on many factors, including amount of glass poured, depth of the threads, mold variations, added hardware such as brass or lead bushings, etc.	132.0 oz.
Value Range: This is an estimated value range only, based on historical hobby collecting data. Insulator values vary widely depending on many factors, including embossing, color, condition, mold variations, manufacturing anomalies, and other attributes. Please visit the Hemingray Values page for more information.	$300-2000

This hefty power piece was primarily used in the Pittsburgh, Pennsylvania region. This was one of four styles in the Provo Type series of insulators, intended for high voltage applications. It was originally thought that this piece came with a sleeve (CD 312), and earlier insulator books showed this insulator as CD249/312. It has since been determined that the piece was likely a glass bushing, and so the "sleeve" lost its CD number. Interestingly, some catalog drawings showed the No.0 Provo Type with a different sleeve more closely resembling a CD 310 (though a standard CD 310 does not fit). One catalog specifically mentioned a sleeve made of porcelain.

Many of these have a dulled appearance, possibly due to the environment and qualities of the glass. This style has risen in popularity recently, with near mint and shiny pieces fetching well above book value.