F. Rolfson

Automatic Osmometer for Determination of Number Average Molecular Weights of Polymers.

H. Coll, F. Rolfson, 1964 .

Automactic Distillation Apparatus for A.S.T.M. Method D-86

D. J. Pompeo, C. Penther, F. Rolfson, 1948 .

Potentiometric Titration Stand Assembly

L. Lykken, F. Rolfson, 1941 .

Continuous-Reading Electronic Voltmeter: For Use with Glass and Other High-Resistance Electrode Systems

C. Penther, L. Lykken, F. Rolfson, 1941 .

Dual Alternating Current Titrometer

C. Penther, F. Rolfson, 1943 .