Credits

Designer

Ward Ritchie

Illustrator

Cas Duchow

Illustrations

line engravings in two colors

Author

Lester Grant

Trim size

5.5 x 8.75 inches

Pages

vii, 116

Price

$.55

Typefaces

11/13 Intertype Baskerville (text), Monotype Baskerville, Bauer Weiss (display)

Manufacturer

U.S. Government Printing Office, under the supervision of Dallas Johnson and Frank H. Mortimer

Printing method

letterpress, two colors

Paper

Antique

Binding

Paper cover, glued, pre-printed in two colors

Publisher

Federal Security Agency, Public Health Service, National Institutes of Health