API gravity: Difference between revisions

Content deleted Content added
I think it makes more sense to link to the instrument
External links: remove link to product catalog
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==External links==
*[http://www.koehlerinstrument.com/products/hydrometer.html Link to hydrometer]
*[http://dnr.louisiana.gov/assets/docs/oilgas/productiondata/comments_1989_rev.pdf Comments on API gravity adjustment scale]
*[http://www.globalsecurity.org/military/library/policy/army/fm/10-67-1/APPI.HTML Instructions for using a glass hydrometer measured in API gravity]