This 1890 catalog page describes a one-day clock designed to attach to a gas fixture so that its dial could be read at night. The page gives a patent date of May 14, 1872.
Evidence, credit & reuse: Public domain in the United States. Underlying work published before 1931; supplied asset is a faithful scan or reproduction of the historical two-dimensional work. Embedded period illustration extracted from the PDF.
Source: New Haven Clock Company; Whitney Library, New Haven Museum; reproduced in NRHP nomination; Figure 3; PDF page 26
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68 AMERICAN 1 Day Lever Time Movement. Patented May 14th, 1872. zs Diameter of Globe, 6 inches, IT shows ey 18 ARRANGED THE fai (© * “aS aN . \ PEL EN TIME AT NIGHT " Bat ATTACHMENT Mo be as” Rearae: AS WELL AS NO AP SS tog i DAY. id GAS FIXTURE. — They are indispensable in the sick room, or to those who have to ris © et rly, whil e € ver ¢ ill ppre- re ciate the convenience of seeing the sing ) ate gle ce n ake Uy during the night int irk morning: DIRECTIONS TO SET THE CLOCK RUNNING—T ceoff the olay the bas er id withthe gh. Tecan be et inthe ae pees tain eve eee nee ; Setting the pointer to her
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Silent Grounds Collective, New Haven Clock Works, SGC-NC-009, NC-003, “American Illuminated Night Clock, 1890.” Source: New Haven Clock Company; Whitney Library, New Haven Museum; reproduced in NRHP nomination; Figure 3; PDF page 26. https://web.archive.org/web/20180903082128/http://ct.gov/cct/lib/cct/New_Haven_Clock_NR_SRB_compressed.pdf#page=26. Research edition, accessed 2026-09-08.