IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Warren P. Valentine began making ...

The Zeiss—Abbe Refractometer Join Our Community of Science Lovers! Sign Up for Our Free Daily Newsletter 0 0 ...

A refractometer can serve diverse purposes across a farm, winery, condiment maker, fire department, and machine shop. It is important to note that the Brix measurement of a liquid is ...

Japan-based KEM is a trusted brand for analytical instruments worldwide. For over 60 years, they have been working together ...

This article was originally published with the title “Bertrand's Refractometer” in SA Supplements Vol. 22 No. 558supp (September 1886), p. 8910 doi:10.1038/scientificamerican09111886-8910bsupp ...