Re: [Phys-l] [clocksgroup] mainspring repair - is it possible

[Bernard Cleyet <bernardcleyet@redshift.com>]

A, ha;  just how a replaceable metal tape measure is attached in its  
"barrel".   As FP wrote, no stress, because both ends don't bend as  
much, instead hinge.

bc uses a hemostat to hold the spring end when replacing.


On 2008, Jun 29, , at 13:22, Frank Patten wrote:

> My father once told me that effective wartime repairs to  
> mainsprings could be made by filing a keyhole in one side of the  
> break and a 'T' on the other side. The stress on this is fairly low  
> because the repair is free to move. Must be a pig to wind into the  
> barrel though.
>
> Best regards, Frank.
>
> Subject: Re: [clocksgroup] mainspring repair - is it possible

cut