tag:blogger.com,1999:blog-1649865218664594972.post5907536645882310133..comments2015-08-31T04:42:16.358-07:00Comments on Freya Frey: John's toys - measuring bridges!Johnhttp://www.blogger.com/profile/15858561854899581438noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-1649865218664594972.post-25191215313879524912013-01-28T12:55:10.072-08:002013-01-28T12:55:10.072-08:00Excellent: I gather this is the kind of device tha...Excellent: I gather this is the kind of device that surveyors use when they measure rooms in houses.Grahamhttps://www.blogger.com/profile/05402515507631156603noreply@blogger.com