Arkivism
Here is your accurate timepiece. This photograph shows a chronograph -- an instrument for measuring and recording time -- in time section of the Bureau of Standards. Enclosed in an airtight chamber in the basement of the South building of the Bureau of Standards. It is probably one of the most accur
Public domain

Here is your accurate timepiece. This photograph shows a chronograph -- an instrument for measuring and recording time -- in time section of the Bureau of Standards. Enclosed in an airtight chamber in the basement of the South building of the Bureau of Standards. It is probably one of the most accur

Harris & Ewing · 1926 · photo, print, drawing

From the collection of Library of Congress. Free to download, adapt and use — no permission needed.

Subjects
glass negativesunited states
Credit lineHere is your accurate timepiece. This photograph shows a chronograph -- an instrument for measuring and recording time -- in time section of the Bureau of Standards. Enclosed in an airtight chamber in. 1926. Harris & Ewing. Harris & Ewing Collection, Library of Congress. Public domain.
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