Notable investigations have been carried out by Industrial
 Fellowships on subjects in the following fields: bread,
by-product coking, carbon dioxide, cellulose, citrus products,
composition flooring, corrosion, dental products, edible
gelatin, electrical precipitation, enameled ware, fertilizers,
fiber containers, fish products, flotation of ores, food and
beverage flavors, fuels, galvanizing, garment cleaning, glass,
glue, heat insulation, hydro-metallurgy of copper, inks, insecticides,
 laundering, magnesia products, matches, natural
gas, nickel, olefine gases, organic synthesis, perfumes, petro-A

 Corner of a Research Laboratory in Mellon Institute

leum, protected metals, refractories, roofing materials, rubber
compounding, sleep, smoke abatement, sodium silicate, stove
enamels, sulfur, synthetic resins, vitamins, vitrified tile.
wood chemicals. wrought iron. and zine.

GENERAL PRINCIPLES oF THE INDUSTRIAL FELLOWSHIP
SYSTEM

In accordance with the System of the Institute, an individual
 industrialist, a company, or an association of manufacturers,
 that has a suitable problem or group of problems
that requires investigation, may become the donor of an
Industrial Fellowship, provided the problems are of sufficient
scope to warrant the services of at least one man for a period