Re: G7 up to 160 km/h

["Roderick Smith" <rodsmith@werple.net.au>]

While it was common to use ' for minutes of time and " for seconds of time;
neither usage is correct by Australian standards.  AGPS style manual
consulted the relevant standards association in the early 1970s and
adopted:

s	seconds of time
min	minutes of time
h	hours of time

in	inches of distance (which we really should't have been using since the
1970s)
ft	feet of distance (which we really shouldn't have been using since the
1970s)

'	is still correct for minutes of angle
"	is still correct for seconds of angle

-- 
Regards
Roderick Smith
Rail News Victoria Editor

Brett bf0017@hotmail.com wrote in article <87ufm5$93p$1@nnrp1.deja.com>...
> AFAIK, when measuring time a single apostrophe means hours, a double
> apostrophe means minutes and a triple apostrophe means seconds.
> When measuring distance, a single apostrophe means feet and a double
> apostrohe means inches.
> When measuring angles, the below posting is correct.
>   eikkert@my-deja.com wrote:
> > Well in amthematics the little "O" at the top indicates degrees and an
> > apostrophe is the next smallest unit being minutes and then double
> > apostrophe for minute. So I'm guessing its the same
> > The STA use an apostrophe for their inspector record sheets besides
> it'd
> > be bloody confusing otherwise. It's probably just a typo.