Johann Georg Repsold. He established the company A. & G. Repsold along with his brother and it was continued by his son Johann Adolf Repsold under the name...

the knife edges. Bessel didn't construct such a pendulum, but in 1864 Adolf Repsold, under contract to the Swiss Geodetic Commission, developed a symmetric...

Adolf Repsold continued the well-known astronomical instrument firm as the A. & G. Repsold company, which later became A. Repsold und Söhne (Repsold &...

pendulum, but in 1864 Adolf Repsold, under contract by the Swiss Geodetic Commission made a pendulum along these lines. The Repsold pendulum was about 56 cm...

Alpha Centauri. Precise measurements with a new meridian circle from Adolf Repsold allowed Bessel to notice deviations in the motions of Sirius and Procyon...

also be attributed to Bessel. He devised a gravimeter constructed by Adolf Repsold which was first used in Switzerland by Emile Plantamour, Charles Sanders...

construction in 1875, in the Neustadt district. The main instrument was a 50 cm Repsold refractor, which saw first light in 1880 (see Great refractor). At the...

the City Observatory, Edinburgh, the telescope itself being completed by Repsold of Hamburg after Fraunhofer's death. Kurzer Umriß der Lebens-Geschichte...

(1687–1755), German Baroque musician, violinist and composer Johann Georg Repsold (1770–1830), German astronomer Johann Georg Ritter von Zimmermann Johann...

University of Hamburg, Germany DMP · 905 906 Repsolda 1918 ET Johann Georg Repsold (1770–1830), German astronomer, optician and manufacturer of astrometric...

for women and men. Through her younger brother and her fiancé Wilhelm Repsold (a sculptor and graphic artist) she came to the land reform movement and...

different points on the globe by mechanical instruments derived from the Repsold pendulum. Time radio signals made it possible to compare the clocks of...

instruments went to the new location: a new 30 cm refractor von Zeiss-Repsold, a meridian circle from Pistor & Martins dating from 1868 with 19 cm aperture...

modernizing the inadequate equipment of the observatory, acquiring a new, large Repsold heliometer in 1888. In the following years Schur devoted all of his time...

have the equation of their scales. The reversible pendulum built by the Repsold brothers was used in Switzerland in 1865 by Émile Plantamour for the measurement...

of 4066 stars from his observations with the transit micrometer of the Repsold meridian circle, which he improved by installing a clock-work system. His...