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    Re: Circle of reflection
    From: Wolfgang Köberer
    Date: 2009 Mar 13, 22:58 +0100

    Andres,
    
    Alex was right in reporting that there is a Pistor & Martins reflecting
    circle in the "Deutsches Schiffahrtsmuseum" in Bremerhaven.
    
    This is a list of museums holding reflecting circles:
    
    Germany:
    
    Museum für Technik und Verkehr Berlin: 2 instruments
    Deutsches Museum München: 1 reflecting circle, 5 Borda circles (in the
    Geodesy exhibition)
    Schiffahrtsmuseum Brake/Unterweser: 1 Borda circle
    Deutsches Schiffahrtsmuseum Bremerhaven: 1 Pistor & Martins circle
    Schiffahrtsuseum Rostock: 1 Pistor & Martins circle
    
    UK museums, of course, have quite a few:
    
    National Maritime Museum: 12 circles (according to Hill/Paget-Tomlinson,
    Instruments of navigation; Willem Mörzer Bruijns upcoming book on sextants
    etc. should give more information)
    
    Whipple Museum Cambridge: 7 circles (according to Bennett's catalogue
    "Astronomy and Navigation"). See the excerpt from Bennett attached.
    
    France:
    
    Museé de la Marine: at least 3 circles (I take this from pictures that Jan
    Kalivoda sent to the list 5 years ago)
    
    United States:
    
    Peabody Museum: 5 circles (according to Brewington, Navigating instruments)
    Mystic eaport: 7 circles (according to their website
    http://mobius.mysticseaport.org/info.php?f=category1&type=browse&t=objects&s
    =INSTRUMENTS+-+CIRCLES
    
    Smithsonian: 6 circles (according to their website
    http://americanhistory.si.edu/collections/navigation/type.cfm?typeid=5
    
    Israel:
    
    National Maritime Museum Haifa: 1 circle (see picture attached)
    
    Closer to you:
    
    Spain:
    
    Museo Naval Madrid: the "Catálogo de instrumentos náuticos y científicos del
    Museo Naval" does not contain a circle.
    
    Portugal:
    
    Museu de Marinha: At least 3 circles. See the pictures I took last year
    attached.
    
    Finally I am attaching a short article on the Pistor & Martins circle.
    
    Regards
    Wolfgang
    
    P.S.: The quote in your post ("...es de muy poco uso...")from Fontecha
    refers to p. 191 (not 199) of that publication.
    
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