Astronomical instruments, parts of an astrograph, metal, made by Morts Dock and Engineering Company, the Atlas Engineering Company and W I Masters, Sydney, New South Wales, Australia and by Troughton and Simms, London, England, 1887-1890, used at Sydney Observatory, Sydney, New South Wales, Australia. Parts of an astrograph including a camera tube and photographic plate holder, a graduated hour circle and an hour angle screw wheel. Observatory stock number 41.
View object on the British Library on Flickr Commons site (opens in new window).
(Accession num: H10255)
So far people have added content in 2 turns about this object.
No facts yet. Why not take the fact challenge with this object?
You can also view a list of objects with added facts (not just tags).