Our API scale hydrometers measure the scale which was selected in 1921 by the American Petroleum Institute (API), the U.S. Bureau of Mines, and the Na...
With no sharp point, this completely safe, easy to use compass is more accurate than most standard pencil compasses. It measures in both inches and cm...
The Microstirrer takes the place of the stirring bar that is typically used with a laboratory magnetic stirrer. The new Vernier Microstirrer easily at...