
Philip Julius Gilinson Jr., Charles R. Dauwalter, Edward Wilson Merrill and Rowe E. Wells Jr. with viscometer, 1961

Description
Four men examine a Gilinson-Dauwalter-Merrill (GDM) viscometer in a laboratory. Stamp on verso reads "Instrumentation Laboratory, M.I.T., Date: July 24 1961, Print No. 19782". Original Credit Line: MIT Instrumentation Laboratory, 19782.
Original Caption: "From the Office of Public Relations, Massachusetts Institute of Technology, Cambridge 39 Massachusetts. Cutlines for MIT/IL Photograph No. 19782. Developers of the GDM Viscometer examine the instrument. Kneeling in front is Dr. Roe E. Wells, Jr., associate in medecine at the Peter Bent Brigham Hospital and the Harvard Medical School, Boston. At the rear, left to right, are Charles R. Deuwalter, Newton, a research engineer at Instrumentation Laboratory, Massachusetts Institute of Technology; Dr. Edward W. Merrill, Belmont, associate professor of chemical engineering at M.I.T. and Philip J. Gilinson, Jr., Chelmsford, electromagnetic coordinator at the M.I.T. Instrumentation Laboratory. -- M.I.T. Photo".