A very handy tool for measuring in S scale inches is a General dial caliper graduated in 64ths. I've got a couple of them and use them all the time especially when searching through my miscellaneous strip wood for dimensional lumber. Here is a link for one source: http://www.amazon.com/General-Tools-English-Plastic-Caliper/dp/B00004T7U\ B/ref=sr_1_1?ie=UTF8&qid=1351902578&sr=8-1&keywords=general+dial+caliper <http://www.amazon.com/General-Tools-English-Plastic-Caliper/dp/B00004T7\ UB/ref=sr_1_1?ie=UTF8&qid=1351902578&sr=8-1&keywords=general+dial+calipe\ r>
Frank Knight
