Berkey spring loaded seatposts

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Wheeled Relics

Cruisin' on my Bluebird
Apr 16, 2013
3,562
Naalehu, HI, United States
www.facebook.com
I am searching for information the Berkey spring loaded seat-post. I found an ad in a 1903 issue of bicycling and motorcycle review. Do any cabers have first hand experience with these that can offer more information on the years they were made. Any details appreciated.

image.jpg
 
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fat tire trader

Cruisin' on my Bluebird
Oct 29, 2010
3,887
San Quentin, California
www.fattiretrading.com
I'm not sure if my post is a Berkey. The Berkey's that I have been able to find pictures of have a round rod with a slot that slides into the post, while mine is square. My seat post has a shim brazed to it to increase it's diameter to fit the bike that it came to me in, a 1935 Adler Model 107 made in Germany. So perhaps my post is a variant of the Berkey or maybe a similar post made in Germany or somewhere else.


adler-2.jpg





Here are links to Berkey posts that I have found on the cabe




Thanks
Chris
 
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