Rectangular Blue Shade-Glass
Datecirca 1900
Inventory Number2014-1-0060c
ClassificationFilter
Subject
Maker
Globe Optical Company
founded 1894
User
Oak Ridge Station
1931 - 2005
User
George R. Agassiz Station, Harvard
1951 - 1982
User
Harvard College Observatory
founded 1839
Place of Origin
Dimensionsenvelope: 7.5 × 12.2 × 0.1 cm (2 15/16 × 4 13/16 × 1/16 in.)
each sample: 5.2 × 4.2 × 0.2 cm (2 1/16 × 1 5/8 × 1/16 in.)
each sample: 5.2 × 4.2 × 0.2 cm (2 1/16 × 1 5/8 × 1/16 in.)
Material
Accessoriespaper sleeve and envelopes
Description4 samples of shade-glass rectangles, stored in white discolored paper envelopes that have yellowed. the outer sleeve is marked in brown ink: "Shade Glass Blue No. 3., 42 x 51 mm," and each sample of glass is located inside one of the paper envelopes with the name and logo--"the Globe Optical Company of Boston." The logo advertises the firm as "THE STOCK HOUSE OF THE COUNTRY." The envelopes are stamped in blue ink: "Plano Blue, 42 x 51, 3 Shade." The brown sleeve has writing that is handwritten and it states "Shade Glass, Blue No. 3." Additionally, "47mm Round" is included in the specifications.
Signedon white paper envelope: GLOBE OPTICAL COMPANY / BOSTON
Inscribedin ink on brown paper sleeve: Shade Glass Blue No. 3. / 42 x 51 mm
FunctionAstronomy
ProvenanceOak Ridge Observatory, Building # 7, darkroom,
transferred to CHSI, November 2014.
Historical AttributesFound in the darkroom at Oak Ridge Observatory.
Globe Optical Company
Date: circa 1900
Accessories: sleeve and envelopes
Object number: 2014-1-0060d
Globe Optical Company
Date: circa 1900
Object number: 2014-1-0060a
Bausch & Lomb Optical Company
Date: 1910-1925
Accessories: paper sleeve and tissue
Object number: 2014-1-0060b
Date: 1890-1930
Object number: RS0505
Globe Optical Company
Date: 1900-1920
Object number: 2014-1-0060
American Optical Company
Date: 1910-1940
Object number: 1998-1-0413
Date: 1890-1930
Object number: RS0501
Date: 1890-1930
Object number: RS0470
