Our Collection

At the Institute’s core is the Gilder Lehrman Collection, one of the great archives in American history. More than 85,000 items cover five hundred years of American history, from Columbus’s 1493 letter describing the New World through the end of the twentieth century.

Unknown [carte de visite, Portage Bridge]

High-resolution images are available to schools and libraries via subscription to American History, 1493-1943. Check to see if your school or library already has a subscription. Or click here for more information. You may also order a pdf of the image from us here.

Gilder Lehrman Collection #: GLC00919.24.51 Author/Creator: Unknown Place Written: s.l. Type: Photograph Date: no date Pagination: 7.6 x 10.6 cm. Order a Copy

White mount. Printed caption on recto: "Portage Bridge." Ink inscription on recto: "234 ft. high, 800 ft. long." Illegible notes on verso in blue pencil. View of a bridge with a locomotive crossing the top. Photo from engraving.

Citation Guidelines for Online Resources