Description

black workers in Jamaica staged an uprising

The man to the left of the bike places weights onto the weighing machine in order to gauge the weight of the bike

View of old London Bridge

Portrait of the composer Wolfgang Amadeus Mozart (1756-1791)

Repeating altitude azimuth circle party black workers in Jamaica stagedA repeating altitude azimuth circle manufactured by Edward Troughton. The 'altazimuth' circle was used to mount a telescope, permitting it to rotate along the vertical (altitude) and horizontal (azimuth) axes to aid the mapping of the stars. 19th century

Exchange/Return Notes