Search

3 results for "27 U.S. Public Health Service" in Creator.

Title ▼ Year Creator Length Holdings
V. S. Government

27, directions are given for b slides from the U. S. Public Health Service. Activated Sludge

1950 UNLESS otherwise indicated the sets of slides listed a catalog are black-and-white slides. Color slides are s Each set of slides is described as follows: (a) the ti name of the producing agency and the date of productio title if the slides are part of a series; content of the slides; (e) references number of the set of slides if it has such a number, t in the set, the size of the slides, and special notati Following these descriptive data are several numbers i These code numbers refer to specific instructions for slides which are explained on pages 306-329 of this ca to obtain the first set of slides listed below, for ex where under code number 27, directions are given for b slides from the U. S. Public Health Service. Activated Sludge Process U.S. Public Health Service
Primary Treatment Plants

27 U.S. Public Health Service

1950 27 U.S. Public Health Service 25 frames
How To Measure Deterioration in

Dwellings 27 U.S. Public Health Service

1949 Dwellings 27 U.S. Public Health Service

Found in catalogs (50+)