Eli Whitney Armory & Mill River
A selected, source-based research collection for New Haven and Fairfield counties. Includes credited photographs where reusable images were located, historical interpretation and links to supporting records. It is a growing inventory, not an exhaustive survey. Photographs retain their individual dates and reuse terms; images do not establish present access conditions.

id: CT041-S01
title: Eli Whitney and the Whitney Armory
kind: Sources & research leads
date: Source reviewed September 2026
institution: Eli Whitney Armory & Mill River
summary: Supporting source for the collection’s history, chronology and research notes. Water power, manufacturing and the surviving landscape of an early American armory.
url: https://www.eliwhitney.org/eli-whitney-and-whitney-armory
credit: Eli Whitney and the Whitney Armory
notes: External source; the full publication remains with its publisher. The archive provides an original educational summary and a link. See the collection history for the claims supported by this record.
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accessed: 2026-09-12
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id: CT041-S02
title: The armory’s water power and transportation
kind: Sources & research leads
date: Source reviewed September 2026
institution: Eli Whitney Armory & Mill River
summary: Supporting source for the collection’s history, chronology and research notes. Water power, manufacturing and the surviving landscape of an early American armory.
url: https://www.eliwhitney.org/armory
credit: The armory’s water power and transportation
notes: External source; the full publication remains with its publisher. The archive provides an original educational summary and a link. See the collection history for the claims supported by this record.
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accessed: 2026-09-12
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id: CT041-S03
title: Workshop buildings
kind: Sources & research leads
date: Source reviewed September 2026
institution: Eli Whitney Armory & Mill River
summary: Supporting source for the collection’s history, chronology and research notes. Water power, manufacturing and the surviving landscape of an early American armory.
url: https://www.eliwhitney.org/workshop-buildings
credit: Workshop buildings
notes: External source; the full publication remains with its publisher. The archive provides an original educational summary and a link. See the collection history for the claims supported by this record.
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accessed: 2026-09-12
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id: CT041-S04
title: Later history and demolition
kind: Sources & research leads
date: Source reviewed September 2026
institution: Eli Whitney Armory & Mill River
summary: Supporting source for the collection’s history, chronology and research notes. Water power, manufacturing and the surviving landscape of an early American armory.
url: https://www.eliwhitney.org/later-history
credit: Later history and demolition
notes: External source; the full publication remains with its publisher. The archive provides an original educational summary and a link. See the collection history for the claims supported by this record.
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accessed: 2026-09-12
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id: CT041-P01
title: Eli Whitney Museum, Hamden
kind: Photographs
date: 2018-07-18 12:52:03
institution: Eli Whitney Armory & Mill River
summary: The main building of the Eli Whitney Museum, built in 1890 on the grounds of the Eli Whitney Gun Factory in Hamden, Connecticut.
url: https://commons.wikimedia.org/wiki/File:HamdenCT_EliWhitneyMuseum.jpg
credit: Magicpiano / CC BY-SA 4.0
notes: Reuse permitted under CC BY-SA 4.0; credit the creator, link the license, and identify changes. Adapted images must be shared under the same license. Image supplied at web resolution; no editorial changes to the source image.
file: images/eli_whitney-70978901.jpg
text_file: 
accessed: 2026-09-12
license_url: https://creativecommons.org/licenses/by-sa/4.0
external_image_url: https://upload.wikimedia.org/wikipedia/commons/b/bb/HamdenCT_EliWhitneyMuseum.jpg
document_file: 

id: CT041-P02
title: Whitney armory: forge-building remains, survey view 1
kind: Photographs
date: Documentation compiled after 1968
institution: Eli Whitney Armory & Mill River
summary: Excavated remains of the Eli Whitney Armory forge building.
url: https://commons.wikimedia.org/wiki/File:Eli_Whitney_Armory,_Forge_Building,_Mill_River,_Hamden,_New_Haven_County,_CT_HAER_CONN,5-HAM,3B-1.tif
credit: Historic American Engineering Record, National Park Service; photographer not identified in source metadata / Public domain
notes: Public domain U.S. National Park Service photograph (PD-USGov-NPS). LOC: No known restrictions on images made by the U.S. Government. Image supplied at web resolution; no editorial changes to the source image. Original repository record: https://www.loc.gov/pictures/item/ct0138.photos.023871p
file: images/eli_whitney-33816915.jpg
text_file: 
accessed: 2026-09-12
license_url: 
external_image_url: https://upload.wikimedia.org/wikipedia/commons/a/a5/Eli_Whitney_Armory%2C_Forge_Building%2C_Mill_River%2C_Hamden%2C_New_Haven_County%2C_CT_HAER_CONN%2C5-HAM%2C3B-1.tif
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id: CT041-P03
title: Whitney armory: forge-building remains, survey view 2
kind: Photographs
date: Documentation compiled after 1968
institution: Eli Whitney Armory & Mill River
summary: View across excavated foundations of the Eli Whitney Armory forge building.
url: https://commons.wikimedia.org/wiki/File:Eli_Whitney_Armory,_Forge_Building,_Mill_River,_Hamden,_New_Haven_County,_CT_HAER_CONN,5-HAM,3B-2.tif
credit: Historic American Engineering Record, National Park Service; photographer not identified in source metadata / Public domain
notes: Public domain U.S. National Park Service photograph (PD-USGov-NPS). LOC: No known restrictions on images made by the U.S. Government. Image supplied at web resolution; no editorial changes to the source image. Original repository record: https://www.loc.gov/pictures/item/ct0138.photos.023872p
file: images/eli_whitney-33816879.jpg
text_file: 
accessed: 2026-09-12
license_url: 
external_image_url: https://upload.wikimedia.org/wikipedia/commons/d/da/Eli_Whitney_Armory%2C_Forge_Building%2C_Mill_River%2C_Hamden%2C_New_Haven_County%2C_CT_HAER_CONN%2C5-HAM%2C3B-2.tif
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id: CT041-P04
title: Whitney armory: fuel storage shed
kind: Photographs
date: Documentation compiled after 1968
institution: Eli Whitney Armory & Mill River
summary: Eli Whitney Armory fuel storage shed.
url: https://commons.wikimedia.org/wiki/File:Eli_Whitney_Armory,_Fuel_Storage_Shed,_Mill_River,_Hamden,_New_Haven_County,_CT_HAER_CONN,5-HAM,3C-1.tif
credit: Historic American Engineering Record, National Park Service; photographer not identified / Public domain
notes: Public domain U.S. National Park Service photograph (PD-USGov-NPS). LOC: No known restrictions on images made by the U.S. Government. Image supplied at web resolution; no editorial changes to the source image. Original repository record: https://www.loc.gov/pictures/item/ct0139.photos.023879p
file: images/eli_whitney-33817067.jpg
text_file: 
accessed: 2026-09-12
license_url: 
external_image_url: https://upload.wikimedia.org/wikipedia/commons/c/ce/Eli_Whitney_Armory%2C_Fuel_Storage_Shed%2C_Mill_River%2C_Hamden%2C_New_Haven_County%2C_CT_HAER_CONN%2C5-HAM%2C3C-1.tif
document_file: 

id: CT041-P05
title: Whitney armory site: view from the northwest
kind: Photographs
date: Undated; historic engineering survey photograph
institution: Eli Whitney Armory & Mill River
summary: Eli Whitney Armory site, viewed from the northwest.
url: https://commons.wikimedia.org/wiki/File:View_from_northwest_-_Eli_Whitney_Armory,_West_of_Whitney_Avenue,_Armory_Street_Vicinity,_Hamden,_New_Haven_County,_CT_HAER_CONN,5-HAM,3-3.tif
credit: David Sharpe / Public domain
notes: Public domain U.S. National Park Service photograph (PD-USGov-NPS). LOC: No known restrictions on images made by the U.S. Government. Image supplied at web resolution; no editorial changes to the source image. Original repository record: https://www.loc.gov/pictures/item/ct0106.photos.023831p
file: images/eli_whitney-33812027.jpg
text_file: 
accessed: 2026-09-12
license_url: 
external_image_url: https://upload.wikimedia.org/wikipedia/commons/a/a2/View_from_northwest_-_Eli_Whitney_Armory%2C_West_of_Whitney_Avenue%2C_Armory_Street_Vicinity%2C_Hamden%2C_New_Haven_County%2C_CT_HAER_CONN%2C5-HAM%2C3-3.tif
document_file: 

id: ED-P33816602
title: Eli Whitney Armory, Barn, Whitney Avenue, Hamden, New Haven County, CT HAER CONN,5-HAM,3A-1.tif
kind: Photographs
date: Exposure date unspecified; documentation compiled after 1968
institution: Eli Whitney Armory & Mill River
summary: Gabled exterior of the Eli Whitney Armory barn. 
url: https://commons.wikimedia.org/wiki/File:Eli_Whitney_Armory,_Barn,_Whitney_Avenue,_Hamden,_New_Haven_County,_CT_HAER_CONN,5-HAM,3A-1.tif
credit: Related names:
 
  Christianson, Justine, transmitter / https://www.loc.gov/pictures/item/ct0137.photos.023855p
notes: Image resized for the reading room. Source content retained. Do not turn compilation range into a precise exposure year. Film label CT-2A-1. Display copy optimized for the web with proportional resizing and compression. The linked repository identifies the original image. Reuse: Public domain
file: images/ED-P33816602.webp
text_file: 
accessed: 2026-09-12
license_url: 
external_image_url: https://thumb.wikimedia.org/wikipedia/commons/thumb/c/cf/Eli_Whitney_Armory%2C_Barn%2C_Whitney_Avenue%2C_Hamden%2C_New_Haven_County%2C_CT_HAER_CONN%2C5-HAM%2C3A-1.tif/lossy-page1-1280px-Eli_Whitney_Armory%2C_Barn%2C_Whitney_Avenue%2C_Hamden%2C_New_Haven_County%2C_CT_HAER_CONN%2C5-HAM%2C3A-1.tif.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail
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id: ED-P33816607
title: Eli Whitney Armory, Barn, Whitney Avenue, Hamden, New Haven County, CT HAER CONN,5-HAM,3A-10.tif
kind: Photographs
date: Exposure date unspecified; documentation compiled after 1968
institution: Eli Whitney Armory & Mill River
summary: Barn timber-frame brace and stairs. 
url: https://commons.wikimedia.org/wiki/File:Eli_Whitney_Armory,_Barn,_Whitney_Avenue,_Hamden,_New_Haven_County,_CT_HAER_CONN,5-HAM,3A-10.tif
credit: Related names:
 
  Christianson, Justine, transmitter / https://www.loc.gov/pictures/item/ct0137.photos.023864p
notes: Image resized for the reading room. Source content retained. Close-up of framing and steps; not an armory production scene. Film label CT-2A-10. Display copy optimized for the web with proportional resizing and compression. The linked repository identifies the original image. Reuse: Public domain
file: images/ED-P33816607.webp
text_file: 
accessed: 2026-09-12
license_url: 
external_image_url: https://thumb.wikimedia.org/wikipedia/commons/thumb/2/29/Eli_Whitney_Armory%2C_Barn%2C_Whitney_Avenue%2C_Hamden%2C_New_Haven_County%2C_CT_HAER_CONN%2C5-HAM%2C3A-10.tif/lossy-page1-1280px-Eli_Whitney_Armory%2C_Barn%2C_Whitney_Avenue%2C_Hamden%2C_New_Haven_County%2C_CT_HAER_CONN%2C5-HAM%2C3A-10.tif.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail
document_file: 

id: ED-P33816922
title: Eli Whitney Armory, Barn, Whitney Avenue, Hamden, New Haven County, CT HAER CONN,5-HAM,3A-11.tif
kind: Photographs
date: Exposure date unspecified; documentation compiled after 1968
institution: Eli Whitney Armory & Mill River
summary: Barn interior steps, opening and stall partitions. 
url: https://commons.wikimedia.org/wiki/File:Eli_Whitney_Armory,_Barn,_Whitney_Avenue,_Hamden,_New_Haven_County,_CT_HAER_CONN,5-HAM,3A-11.tif
credit: Related names:
 
  Christianson, Justine, transmitter / https://www.loc.gov/pictures/item/ct0137.photos.023865p
notes: Image resized for the reading room. Source content retained. Film label CT-2A-11. Display copy optimized for the web with proportional resizing and compression. The linked repository identifies the original image. Reuse: Public domain
file: images/ED-P33816922.webp
text_file: 
accessed: 2026-09-12
license_url: 
external_image_url: https://thumb.wikimedia.org/wikipedia/commons/thumb/e/e5/Eli_Whitney_Armory%2C_Barn%2C_Whitney_Avenue%2C_Hamden%2C_New_Haven_County%2C_CT_HAER_CONN%2C5-HAM%2C3A-11.tif/lossy-page1-1280px-Eli_Whitney_Armory%2C_Barn%2C_Whitney_Avenue%2C_Hamden%2C_New_Haven_County%2C_CT_HAER_CONN%2C5-HAM%2C3A-11.tif.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail
document_file: 

id: ED-P33816880
title: Eli Whitney Armory, Barn, Whitney Avenue, Hamden, New Haven County, CT HAER CONN,5-HAM,3A-12.tif
kind: Photographs
date: Exposure date unspecified; documentation compiled after 1968
institution: Eli Whitney Armory & Mill River
summary: Short wooden stair in the barn interior. 
url: https://commons.wikimedia.org/wiki/File:Eli_Whitney_Armory,_Barn,_Whitney_Avenue,_Hamden,_New_Haven_County,_CT_HAER_CONN,5-HAM,3A-12.tif
credit: Related names:
 
  Christianson, Justine, transmitter / https://www.loc.gov/pictures/item/ct0137.photos.023866p
notes: Image resized for the reading room. Source content retained. Film label CT-2A-12. Distinct view from the preceding two. Display copy optimized for the web with proportional resizing and compression. The linked repository identifies the original image. Reuse: Public domain
file: images/ED-P33816880.webp
text_file: 
accessed: 2026-09-12
license_url: 
external_image_url: https://thumb.wikimedia.org/wikipedia/commons/thumb/a/a9/Eli_Whitney_Armory%2C_Barn%2C_Whitney_Avenue%2C_Hamden%2C_New_Haven_County%2C_CT_HAER_CONN%2C5-HAM%2C3A-12.tif/lossy-page1-1280px-Eli_Whitney_Armory%2C_Barn%2C_Whitney_Avenue%2C_Hamden%2C_New_Haven_County%2C_CT_HAER_CONN%2C5-HAM%2C3A-12.tif.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail
document_file: 

id: ED-P33811988
title: Excavation of the 1860 armory building - Eli Whitney Armory, West of Whitney Avenue, Armory Street Vicinity, Hamden, New Haven County, CT HAER CONN,5-HAM,3-5.tif
kind: Photographs
date: Exposure date unspecified; documentation compiled after 1968
institution: Eli Whitney Armory & Mill River
summary: Excavated foundations at the 1860 armory site. 
url: https://commons.wikimedia.org/wiki/File:Excavation_of_the_1860_armory_building_-_Eli_Whitney_Armory,_West_of_Whitney_Avenue,_Armory_Street_Vicinity,_Hamden,_New_Haven_County,_CT_HAER_CONN,5-HAM,3-5.tif
credit: Sharpe, David
  Related names:
 
  Whitney, Eli 
 Talmage, Daniel 
 Acme Wire Company 
 New Haven Water Company 
 Merwin, Richard Treat 
 C. McClellan and Son 
 Whitney Arms Company 
 New Haven Colony Historical Society, sponsor 
 Comp, T. Allen, project manager 
 Christianson, Justine, transmitter / https://www.loc.gov/pictures/item/ct0106.photos.023833p
notes: Image resized for the reading room. Source content retained. 1860 is building date, not photograph date. Film label CT-2-5. Display copy optimized for the web with proportional resizing and compression. The linked repository identifies the original image. Reuse: Public domain
file: images/ED-P33811988.webp
text_file: 
accessed: 2026-09-12
license_url: 
external_image_url: https://thumb.wikimedia.org/wikipedia/commons/thumb/4/4a/Excavation_of_the_1860_armory_building_-_Eli_Whitney_Armory%2C_West_of_Whitney_Avenue%2C_Armory_Street_Vicinity%2C_Hamden%2C_New_Haven_County%2C_CT_HAER_CONN%2C5-HAM%2C3-5.tif/lossy-page1-1280px-thumbnail.tif.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail
document_file: 

id: ED-P33811985
title: West side of Mill River - Eli Whitney Armory, West of Whitney Avenue, Armory Street Vicinity, Hamden, New Haven County, CT HAER CONN,5-HAM,3-2.tif
kind: Photographs
date: Undated survey photograph
institution: Eli Whitney Armory & Mill River
summary: Mill River and surviving armory site features. 
url: https://commons.wikimedia.org/wiki/File:West_side_of_Mill_River_-_Eli_Whitney_Armory,_West_of_Whitney_Avenue,_Armory_Street_Vicinity,_Hamden,_New_Haven_County,_CT_HAER_CONN,5-HAM,3-2.tif
credit: Sharpe, David, creator / https://www.loc.gov/pictures/item/ct0106.photos.023830p
notes: Image resized for the reading room. Source content retained. Elevated site view, not a nineteenth-century operating factory scene. Film label CT-2-2. Display copy optimized for the web with proportional resizing and compression. The linked repository identifies the original image. Reuse: Public domain
file: images/ED-P33811985.webp
text_file: 
accessed: 2026-09-12
license_url: 
external_image_url: https://thumb.wikimedia.org/wikipedia/commons/thumb/f/f4/West_side_of_Mill_River_-_Eli_Whitney_Armory%2C_West_of_Whitney_Avenue%2C_Armory_Street_Vicinity%2C_Hamden%2C_New_Haven_County%2C_CT_HAER_CONN%2C5-HAM%2C3-2.tif/lossy-page1-1280px-West_side_of_Mill_River_-_Eli_Whitney_Armory%2C_West_of_Whitney_Avenue%2C_Armory_Street_Vicinity%2C_Hamden%2C_New_Haven_County%2C_CT_HAER_CONN%2C5-HAM%2C3-2.tif.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail
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