Byron Company (New York, N.Y.)
Laboratory, St. Mark's Hospital.

Byron Company (New York, N.Y.)
College of Physicians & Surgeons.

Arthur Vitols,Byron Company (New York, N.Y.)
[Unidentified Lab.]

George Heyer,Look magazine
Toys Come Back

George Heyer,Look magazine
Toy Story--Color

Wurts Bros. (New York, N.Y.)
[Frigidaire exhibit, New York World's Fair.]

Leonard Freed
A bullet expert in the police forensic sector studies the marking on a spent bullet.; Police Work