Try the Google pedometer at

http://www.gmap-pedometer.com/?centerX=0.0333333%0A&centerY=51.6166667&zl=4&fl=m\
-e-h-0-1&polyline=

Instructions are on screen and accuracy is excellent if you choose
enough points !

John


Anne Taylor wrote:
> Dear all
>
> A reader (who is doing an 'A' level project) has asked our advice on the
> best way to measure stream/river length on 1:10,560 or 1:10,000 scale
> maps.
> The project is on river sinuosity so the measurements have to be fairly
> accurate.
>
> We have suggested a map measurer (the rather old one we had slipped too
> much); the cotton/string approach; marking the sections of the river
> along
> the edge of a piece of paper.
>
> None of these was thought to be overly satisfactory.
>
> She has seen adverts for the 'MapWheel' - details at
> http://scalex.com/pdf's/MapWheel%20Flyer.pdf
> <http://scalex.com/pdf%27s/MapWheel%20Flyer.pdf> Before she spends GBP
> 20-plus on one I said I would ask if anyone has experience of using
> one and
> might comment (off-list if you prefer) on its accuracy.
>
> Any other suggestions gratefully received. She does not have access to GIS
>
> Thank you
>
> Anne
>
>
> Anne Taylor
> Head of Map Department, Cambridge University Library, West Road,
> Cambridge
> CB3 9DR
> Tel: 01223-333041. Fax: 01223-333160. email: aemt2@...
> http://www.lib.cam.ac.uk/maps/Home.htm
>
>