What makes it go?

What makes it go?
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Why am I seeing a watermark?
Title: What makes it go?

Caption: "What makes it go?--Explaining how a newspaper press turns out 35,000 papers in an hour is [Brooklyn Eagle] pressman, Frank Boylan. Looking at the cylinders are, left to right, Iona Horowitz from Franklin K. Lane [High School, 999 Jamaica Avenue] and Helen Hodes and Ned Schurman, journalism students from New York University. ..."

Date: 1947
Location: Brooklyn (New York, N.Y.)
Creator: Geller, Jules, photographer.
More Details: Cropped; retouched.
On verso: date stamped: Oct. 17, 1947; "Eagle staff photos by Jules Geller."
Title from caption on verso.
Collection: Schools
Subject: Franklin K. Lane High School (New York, N.Y.)
High school students
Newspaper presses
Institution: Brooklyn Public Library, Brooklyn Collection.
Medium: Gelatin silver prints.
Photographic prints.
Rights: Copyright restrictions apply to the use of this image. For more information or to obtain a photographic reproduction of this image, contact the Brooklyn Collection at Brooklyn Public Library
ID: SCHL 1019