71179Re: Why 1:220 ?
- Sep 1, 2012And the last of the floppy discs, the 3-1/2 inch, was designed to fit into a standard shirt pocket.
A few others:
Barometric pressure in inches, temperature in Fahrenheit degrees, AM and FM broadcast bands, all were totally arbitrary--someone just made a few tick marks on a stick, or used whatever hardware was at hand to start sending and receiving radio transmissions with no regard for the frequency.
--- In firstname.lastname@example.org, Alan Cox <alan@...> wrote:
> > We Electro/Mechanical folks have to design around numbers
> > for solids. (Organics are another matter entirely, just add water
> > and fertilizers ;>)
> But not always sane ones. CD capacity came from the length of a
> particular classical piece. T scale model trains come from someone
> looking at the top of their laptop and thinking I want my trainset to fit
> that space.
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