[time-nuts] Size of hex (?) screw in knobs of 5370B time-interval counter

[Graham / KE9H]

Dave:
If I were you, I would buy a set of inch (as opposed to Metric) hex
wrenches, that at least go down to 0.050 inch as the smallest.
You can get a very nice set for about 10 Pounds.
--- Graham

==

On Fri, Nov 16, 2018 at 8:21 AM Dr. David Kirkby <
drkirkby at kirkbymicrowave.co.uk> wrote:

> I have a few HP 5370B time-interval counters of various states of cosmetic
> and electrical condition. I wish to swap some knobs between the
> instruments, as some are in better condition than others. Can anyone tell
> me what size of hex key these are? I wish to order a hex key, but
> obviously, want one the correct size.
>
> Dave, G8WRB.
>
> --
> Dr David Kirkby Ph.D C.Eng MIET
> Kirkby Microwave Ltd
> Registered office: Stokes Hall Lodge, Burnham Rd, Althorne, CHELMSFORD,
> Essex, CM3 6DT, United Kingdom.
> Registered in England and Wales as company number 08914892
> https://www.kirkbymicrowave.co.uk/
> Tel 01621-680100 / +44 1621-680100
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