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| Keywords: Percival Lowell observing Venus from the Lowell Observatory in 1914.jpg Assessments 1 Percival Lowell observing Venus Percival Lowell observing Venus in the daytime from the observer's chair of the 24-inch 61 cm Alvan Clark Sons refracting telescope installed in the summer of 1896 at the Lowell Observatory which he established in Flagstaff Arizona USA Although known for observing Mars this image has a long running attribution of Percival Lowell observing the planet Venus in the daytime <ref>Sources for the image attribution being http //books google co uk/books id 35oNAQAAIAAJ q 22percival+lowell 22+ 22observing+venus 22 dq 22percival+lowell 22+ 22observing+venus 22 hl en sa X ei w3dCUcKtCcWp4AOOq4GoDA redir_esc y Our Wonderful Universe An easy introduction to the study of the heavens by Clarence Augustus Chant published by G G Harrap Company Ltd in 1928 see page 92 and http //books google co uk/books id JAHLNT9G-7IC pg PA36 dq lowell+observatory+history+venus hl en sa X ei hWlCUbfOKNKp4AOyjIBw redir_esc y v onepage q lowell 20observatory 20history 20venus f false A Passion for the Planets Envisioning Other Worlds from the Pleistocene to the Age of the Telescope by William Sheehan published by Springer in 2010 see page 35 </ref> something he did from 1896 onward observing the planet high in the daytime sky with the telescope's lens stopped down to 3 inches in diameter This image of an older Lowell was taken in 1914 <ref>Per User nagualdesign date 1914 http //commons wikimedia org/w/index php title File 3APercival_Lowell_observing_Venus_from_the_Lowell_Observatory_in_1914 jpg diff 92992570 oldid 92987601 confirmed by Lowell Observatory Archives holder of the original glass plate </ref> Also given a date of October 17 1914 <ref>http //books google com/books id FCnyAAAAMAAJ printsec frontcover dq Lowell+telescope hl en sa X ei YzVLUcqFE5GQ0QGUk4G4CQ ved 0CDEQ6AEwADgK v onepage q Lowell 20telescope f false Popular Astronomy Volume 29; Volume 1921 Goodsell Observatory of Carleton College 1921 Percival Lowell An Afterglow book review page 597</ref> Reconstructed from several online sources by Joe Haythornthwaite unknown author 1914 PD because of age References reflist PD-old Lowell Observatory Telescopes containing lenses ground by Alvan Clark Sons Percival Lowell Sitting men | ||||
