Two powerful engines pulling freight up 89 feet grade around Horseshoe Curve, Allegheny Mountains. [Active no. 5538 : stereo interpositive.]
odd: label: Local Numbers
content: RSN 20473
label: General
content: Currently stored in box 3.2.9 [201].
name: label: Publisher
content: Underwood & Underwood
label: Names
content: Pennsylvania Railroad.
label: Collection Creator
content: Underwood & Underwood
place: label: Place
content: Allegheny Mountains (Pennsylvania)
label: Place
content: Altoona (Pa.)
label: Place
content: Horseshoe Curve National Historic Landmark (Pa.)
label: Place
content: Pennsylvania
title: label: Topic
content: PENNSYLVANIA
topic: label: Topic
content: Mountains -- Pennsylvania
label: Topic
content: Railroads -- Pennsylvania
label: Topic
content: Trains -- Pennsylvania
creator: label: Publisher
content: Underwood & Underwood
setName: label: See more items in
content: Underwood & Underwood Glass Stereograph Collection
label: See more items in
content: Underwood & Underwood Glass Stereograph Collection / Series 3: Underwood & Underwood glass plates / 3.2: Underwood and Underwood Positives / RSN Numbers 20451-20550
physdesc: label: Extent
content: 1 Item (5" x 8".)
phystech: label: Medium
content: Silver gelatin on glass.
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials
label: Type
content: Photographs
label: Type
content: Stereoscopic photographs
genre_format: label: Genre/Form
content: Photographs -- 1900-1910 -- Interpositives -- Glass
label: Genre/Form
content: Stereoscopic photographs