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Ernesto Vasconcellos' Astronomia Photographica: the earliest popular book on astronomical photography?
Portugal, albeit with its own cultural distinctiveness, was not immune to the ideologies permeating nineteenth-century European society, in particular those concerning the social advantages ofExpand
Early Astronomical Sequential Photography, 1873-1923
In 1873 Jules Janssen conceived the first automatic sequential photographic apparatus to observe the eagerly anticipated 1874 transit of Venus. This device, the ‘photographic revolver’, is commonlyExpand
The first astronomical hypothesis based on cinematographical observations: Costa Lobo's 1912 evidence for polar flattening of the moon
Acceptance by the scientific community of results obtained with new technology can be a complex process. A particularly good example is provided by the unexpected hypothesis raised by FranciscoExpand
Portuguese Amateur Astronomy (1850–1910)
Although amateur astronomers have existed probably for as long as mankind has observed the sky their role has continued to adapt to different technological and social conditions. Throughout theExpand
PORTUgAL AND THE 1876 SOUTH KENSINgTON INSTRUMENT EXHIBITION
A 134 advisory committee was set up to look into the matter. Amongst its members, one finds such ‘household’ names as George Airy (1801-1892), the Astronomer Royal, James Clerk Maxwell (1831-1879),Expand
SOLAR PHOTOGRAPHY IN THE NINETEENTH CENTURY: THE CASE OF THE INFANTE D. LUIZ OBSERVATORY IN LISBON (1871-1880)
The Infante D. Luiz Observatory, located in Lisbon, was one of the leading Portuguese meteorologic and magnetic research institutions in the second half of the 19 th century. Following theExpand
Training impact upon teachers field trips projects: a preliminary evaluation
School visits to museums and science centres are considered a powerful learning resource when carefully planned and integrated into classroom activities. Well-designed visits imply a set ofExpand
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