Physical and chemical examination of paints, varnishes, and colors (1922)
Gardner, Henry A. (Henry Alfred), 1882-1973 · [Washington D.C.] : H.A. Gardner · leaf 94
etween liquids were obtained by the use of the apparatus shown at B in Fig. 28. This apparatus as prepared by the writers consists of a 5 cc. pipette bent upward at the lower end and drawn to a point having an orifice of about .8 mm. It is supplied with a rubber tube and clamp to facilitate filling… … filled to the mark and maintained at this level by closing the clamp. The lower end is immersed in a beaker containing water or some other immiscible liquid at the desired temperature. Enough air is admitted by loosening the clamp to cause a slow
