Tue Sep 10, 2013 8:30 am
Phil's article has a photo of a blue tag with serial number 52880 so from that perspective its reasonable your 52836 could be a blue tag. However, the article goes on to explain a crazy time for USD. Phil's article has a photo of both Blue and yellow/salmon/orange tags. The blue labels say US Diver Corp where the yellow labels say US Divers Co. I think that makes yours a yellowish label.
Broxton regs with riveted label:
Black Label; says US Divers Co.
Red Label; says US Divers Co.
Green Label; says US Divers Co.
Blue Label; says US Divers Corp.
Yellow over-pressure; says US Divers Corp.
West Pico
Riveted "navy type" black label; says US Divers Corp.
Tabbed red label Stream; says US Divers Corp.
Tabbed "navy approved" blue label; says US Divers Corp.
Tabbed "navy approved" yellowish label; says US Divers Co.
From Phil’s most excellent article originally in HDS and re-typed here without permission:
"1957 US Divers Aqua-Lung
This regulator was produced during the crazy year of 1957, when US Divers was purchased from René Bussoz by Spirotechnique. The tag color ranges from a salmon-colored pink/yellow to a yellow/orange and even a distinct yellow. One theory (from a 1958 USD factory regulator repairman) was a batch of paint that faded rapidly from a salmon orange to yellow when exposed to ultraviolet rays of the sun. This is also the first major break to a reasonably consistent serial number run to the North American two stage two hose regulators. Known (to HDS Canada) serial numbers run from 50,000 to 52,000 (compare to blue tag/ tabbed as 52,878). Orange/yellow, Pico blvd, tabbed tag DA “
“A skin diver is a fellow who pulls on a pair of fancy swimming trunks, some rubber fins, a diving mask and canvas gloves, then fills his lungs with air and noses down into the ocean looking for two fisted trouble.”