Click to visit the main New York Public Library Homepage
The New York Public Library
Digital Collections
About Digital Collections
Browse
Search only public domain materials
Items
Collections
Divisions
Home
Search
Browse
About
Search only public domain materials
Items
Collections
Divisions
Digital Collections
Using Images
Using Data
Search
Filtered search
Show filters
Hide filters
Show Only Public Domain
topic
x
Telephone industry
Equipment
7
name
Rosenfeld, Morris, 1884-1968
7
collection
"The Pageant of America" Collection
9
genre
Photographs
9
division
Wallach Division: Photography Collection
9
type
still image
9
Date Range
to
9 results found
Filtering on:
x
Date
: 1904 - 1948
x
Topic
: Telephone industry
Sort by:
Title
Date created
Date digitized
Sequence
General view of machine switc…
Official opening ot the Trans…
Line finder frame.
Frequence switch assembly, ma…
Incoming trunk position in a …
Translator frame : apparatus …
Pulse machines : an ingenious…
Senders : the brain of the ma…
Diagram showing progress of a…