847,943 results for Colorado

The triple beam balance—essentially a platform scale that can sit on a laboratory bench—has been enormously popular for well over a century. The form originated with Frank Aronson, the long-time chief…

Currently not on view

Tangent galvanometer designed for classroom use. The “CHICAGO LABORATORY SUPPLY AND SCALE COMPANY” inscription refers to a firm formed in the 1890s. Ref: Chicago Laboratory Supply and Scale Co., Catal…

This small brass instrument measures the gluten strength of a sample of flour. John Alfonso Wesener (1865-1926), a Chicago physician, pharmaceutical chemist, and founder (in 1894) of the Columbus Medi…

Birds eye view includes buildings, railroad lines, street names.

Aerial view northwest over Colorado Springs, El Paso County, Colorado, shows street gridlines with Pikes Peak and foothills in the background.

View of Colorado Springs, El Paso County, Colorado, shows of dwellings, businesses, churches, the public school with a tapered, square tower and Pikes Peak in the background.

1 map on 13 sheets : col. ; sheets 64 x 54 cm Shows building construction by hand coloring, locations of windows and doors, and available water facilities Shows factories, commercial and religious occ…

Wide-angle view of the corner of Pikes Peak Avenue and Tejon Street, Colorado Springs, El Paso County, Colorado, shows pedestrians, a streetcar, wagons, buggies, in the business district. Sign read: "…

1 map on 13 sheets : col. ; sheets 64 x 54 cm Shows building construction by hand coloring, locations of windows and doors, and available water facilities Shows factories, commercial and religious occ…

1 map on 13 sheets : col. ; sheets 64 x 54 cm Shows building construction by hand coloring, locations of windows and doors, and available water facilities Shows factories, commercial and religious occ…

Men ride in buggies on an open field, Colorado Springs, El Paso County, Colorado; dwellings, institutional buildings and Pikes Peak are in the background.

1 map on 13 sheets : col. ; sheets 64 x 54 cm Shows building construction by hand coloring, locations of windows and doors, and available water facilities Shows factories, commercial and religious occ…

View of grounds and buildings of the Colorado School for the Deaf and Blind in Colorado Springs (El Paso County), Colorado. Shows a driveway and a brick and stone Victorian house with towers, finials…

1 map on 13 sheets : col. ; sheets 64 x 54 cm Shows building construction by hand coloring, locations of windows and doors, and available water facilities Shows factories, commercial and religious occ…