Name/Title
Various Electrical Systems, (1 folder, ca. 1890)Scope and Content
IMG_2024_11_26_07_49_00_573.jpg
A folder cover page or blank sheet with potential handwritten notes.
IMG_2024_11_26_07_49_23_062.jpg - IMG_2024_11_26_07_50_28_749.jpg
Multiple hand-drawn engineering schematics featuring colored annotations (red/blue lines).
These likely represent electrical circuits, mechanical flow diagrams, or architectural engineering blueprints.
IMG_2024_11_26_08_04_39_823.jpg - IMG_2024_11_26_08_04_59_562.jpg
Handwritten archival labels, possibly indicating cataloged research materials or engineering documentation.
IMG_2024_11_26_08_05_12_162.jpg - IMG_2024_11_26_08_05_59_635.jpg
Microfilm slides and labels, likely part of a historical records archive or industrial documentation storage system.
The slides may contain historical photographs, engineering plans, or technical reports.Context
This collection contains detailed technical diagrams of what appear to be electrical or mechanical systems, possibly related to power distribution, engineering prototypes, or industrial infrastructure. Additionally, it includes microfilm slides and labeled archival records suggesting storage or documentation for research purposes. Several of the printed diagrams include the initials “LHL” or the inscription “L H Latimer,” indicating that Lewis Latimer drafted the original drawings on which they were based.Collection
The Lewis H. Latimer Papers (1870-1929, 1972) [QPL Subgroup], Latimer Family Papers (1870-1996 ) [QPL Full Collection]Location
Folder
408os/25Box
408Archival Collection
Latimer Family Papers (1870-1996 ) QPL CollectionLibrary
Queens Borough Public LibraryCity
Jamaica, QueensState
New York, USAContinent
North AmericaCountry
United States