1) Measuring instrument
Found on
https://www.crosswordclues.com/clue/rotameter
A rotameter is a device that measures the flow rate of liquid or gas in a closed tube. It belongs to a class of meters called variable area meters, which measure flow rate by allowing the cross-sectional area the fluid travels through, to vary, causing some measurable effect. ==History== The first variable area meter with rotating float was invent...
Found on
http://en.wikipedia.org/wiki/Rotameter
[railway] The New South Wales Government Railways constructed in 1903 a device for measuring the length of its lines of railway. That authority named the machine a Rotameter. It consisted of a four-wheel trolley with an additional large fifth wheel which traveled along the running surface of the rail. Its last recorded use was in the 1920s....
Found on
http://en.wikipedia.org/wiki/Rotameter_(railway)
instrument consisting of glass tube with free float for measuring liquid flow
Found on
http://phrontistery.info/r.html
old instrument for measuring length of curved lines
Found on
http://phrontistery.info/r.html
A float type measuring device used for the on site calibration of a sampling train immediately prior to and after the sampling period.
Found on
http://www.encyclo.co.uk/local/20474
A device for measuring the flow of gas or liquid; the fluid flowing up through a slightly tapered tube elevates a ball or other weight that partially obstructs the flow, until the wider cross-section allows that flow to pass around the floating obstruction. ... Origin: L. Rota, wheel, + G. Metron, measure ... (05 Mar 2000) ...
Found on
http://www.encyclo.co.uk/local/20973
Type: Term Pronunciation: rō-tam′ĕ-tĕr Definitions: 1. A device for measuring the flow of gas or liquid; the fluid flowing up through a slightly tapered tube elevates a ball or other weight that partially obstructs the flow, until the wider cross-section allows that flow to pass around the floating obstruction.
Found on
http://www.medilexicon.com/medicaldictionary.php?t=79034
No exact match found.
