[time-nuts] 15 ns vs. 15 nS
Rob Kimberley
rk at timing-consultants.com
Tue May 22 14:13:10 UTC 2007
In Imperial measure, 8 pints make a gallon and 2 pints make a quart.....
US quarts???...
:-)
Rob
-----Original Message-----
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
Behalf Of Chuck Harris
Sent: 22 May 2007 15:04
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] 15 ns vs. 15 nS
Rob Kimberley wrote:
> Happy memories...
>
> I remember being switched half way through my "A" Level Physics course
> from cgs to MKS in 1968.
>
> Legal here in UK to show weights & measures in shops in both metric
> and imperial systems. Fuel at petrol (gas) stations sold in litres,
> and distance on roads still shown in miles (!!). Never did understand
> how the US gallon was smaller than the Imperial one though...
>
Pretty simple, really, a US gallon is 4 quarts (as in quarters), an imperial
gallon is 5 quarts.
The real question is when did the imperial gallon pick up the extra quart.
-Chuck Harris
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