Reference feature. Source checked October 13, 2026.
An industrial landmark can advertise without a billboard. The National Park Service describes the blue, star-covered dome at Coltsville as a recognizable part of Hartford’s skyline and a symbol of the Colt enterprise. The original dome crowned the East Armory in 1855. It was lost when a fire destroyed that armory in February 1864. National Park Service Blue Onion Dome history.
The park’s account connects the design to Samuel Colt’s travels and marketing, while describing the architectural attribution and inspiration with appropriate uncertainty. The rearing colt was also a visual play on his name. This is an example of historical interpretation in which an arresting image is well documented but some details about its origin remain less definite.
That difference matters when telling a brand’s history. A plausible explanation should not become a proven fact through repetition. Words such as attributed, believed and documented are useful tools for keeping the strength of the evidence visible. They need not make a story less interesting; uncertainty can identify the very question that deserves further research.
Readers can apply the same approach to trademarks, packaging and presentation pieces. Ask when a symbol appeared, where it was used and which surviving source supports the explanation of its meaning. Our interpretation is that architecture deserves a place alongside catalogs and advertisements when studying industrial identity. A building can communicate ambition to employees, neighbors and customers at once. Consult the park’s current visitor guidance before planning access; a landmark’s visual prominence does not itself mean its interior is open for tours.
Continue reading Firearms History. See our editorial standards for sourcing and image disclosures.
Related reading: Coltsville Was More Than a Factory.
Sources & further reading
Sources reviewed 2026-10-13.
Prepared for Gunfire Magazine with AI assistance from the linked source material and the publication’s editorial brief. This piece does not claim original interviews, on-site reporting or hands-on product testing.