topic

• Railroad signals2
• Railroads2
• Signal stations2
• Glass industry1
• More Less

name

• Sperr, Percy Loomis, 1890-19642
• New York Central Railroad Company1

collection

• Photographic views of New York City, 1870's-1970's, from the collections of the New York Public Library2

place

• Manhattan (New York, N.Y.)2
• New York (N.Y.)2
• New York1
• New York (State)1
• Riverside Park (New York, N.Y.)1

genre

division

• Milstein Division2

type

• still image2