Originally Posted by
obrentharris
"Eastman" perhaps. They appear to be an Indian vendor of various bicycle parts including cottered bottom brackets.
Brent
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thanks very much Brent!
an Indian origin fits right in with the Brit style model marking
the A-8 model may have been made for use with the 76mm shell. this would explain all of those exposed threads on the adjustable cup.
a new name for me
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Originally Posted by
Kriscarr
That weld on the BB... my old Eaton's Glider had the same mysterious bead that turned out to be brass brazed on. I took it off hoping someone had tried to conceal a serial number but nothing was under it not even a seam. I am super curious as to what that's about and now that I see the same on a completely different style of bike I am even more intrigued. Can anyone shed light on this?
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this web site is a wonderful resource for understanding how frame building bits are made and their technology history. there is a section specifically on bottom bracket shells of the pre-investment cast era. explore a bit...
https://fietssite.jouwweb.nl/13/13e
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