Railroad chronometer

#	Item
1	Microsoft Word - An Example Portfolio Item.doc Add to Reading List Source URL: www.bhi.co.uk Language: English - Date: 2012-10-05 10:04:08 Pocket watch Mainspring Escapement Pallet Watch Railroad chronometer Ficus Horology Measurement Time
2	North Raleigh Model Railroad Club Standards and Recommended Practices Measuring Train Speed Issue 3 Add to Reading List Source URL: www.trainweb.org Language: English - Date: 2010-03-28 15:01:08 Measuring instruments Engineering Speedometer Marine chronometer Rail transport modelling N scale Chronometer Speed Measurement Technology Speed sensors