Library: Search Results

Search Collections with Keywords or Browse Collections using the Topic List for a guided view.

Results:

KEYWORDS: Technology & Equipment

Results: 31 - 40 of 312 total   Next

View:

Date Format Image Collection
circa 1890 Photograph  A man, with a hat on his lap, sits in a wheelchair. Visual Still
1890 Postcard  A man rides in a goat-drawn cart Visual Still
August 30, 1890 Article    Document
August 30, 1890 Cover  Cover of Scientific American magazine, showing men and women working on census data using Hollerith Tabulator and its punch cards. Visual Still
1893 Photograph  Alexander Graham Bell speaks into a telephone.  A group of men in suits look on. Visual Still
June 19, 1894 Patent    Document
June 19, 1894 Patent  Design drawing for O.L. Smith-Fraser Invalid Chair Visual Still
June 19, 1894 Patent  Design drawing for O.L. Smith-Fraser Invalid Chair, sheet 2. Visual Still
December 25, 1894 Patent    Document
December 25, 1894 Patent  Design drawing for S.A. Potter Invalid Chair, sheet 1. Visual Still
Print this page