Caesium atomic clock posters & prints

Spectroscopic apparatus used by Robert Wilhelm Bunsen and Gustav Robert Kirchhoff, c1895 Unknown

Astronomical Clock Anonymous

Regulator John Shelton

The Antikythera mechanism, 205 BC Historic Object

Clock Lévy Fréres

Long-Case Clock (régulateur) André-Charles Boulle

Spectroscopic apparatus used by Robert Wilhelm Bunsen and Gustav Robert Kirchhoff, c1895 Unknown

Clock Daisy de Villeneuve

Gustav Kirchhoff, Robert Bunsen and Henry Roscoe, scientists, c1860 Unknown

Mantle Clock Benjamin Lewis Vulliamy

Clock Nicholas Lemandre

Clock Anonymous

Water clock with automated figures Islamic School

Clock William Carpenter

Clock Bertinet and Guadron

Clock Unknown

Astronomicum Caesareum, 1540 Peter Apian

Clock Watch Edward East

Clock, the Great Exhibition Anonymous

Gustav Robert Kirchhoff, German physicist, 1873 Unknown

17th-Century German Calendar Watch Anonymous

Gustav Robert Kirchhoff, German physicist, 1876 Unknown

Clock watch Edward East

Hieracium Caesium Caesious Hawkweed Anonymous

Mt. Holyoke, Massachusetts - Paper. American Writing Paper Co. Super-calender - putting on roll, starting operation, 1936 Lewis Hine

Clockwatch Markwick & Markham

Hourglass against background of clouds Anonymous

Calender design Anonymous

Clockwork dog Unknown

Design for Calendar Philipp Otto Runge