Excelsior lantern. By Queen, Philadelphia The "Excelsior" is also shown on <link ref="tec3009">another photograph</link> from this set. See a color photograph of a similar device in the <link href='http://dssmhi1.fas.harvard.edu/emuseumdev/code/emuseum.asp?rawsearch=Number%2F%2C%2Fis%2F%2C%2FWJ0119%2F%2C%2F0%2F%2C%2F0'>Harvard Collection of Historical Scientific Instruments</link>. For a figure in a trade catalog see <link href="http://www.sil.si.edu/digitalcollections/trade-literature/scientific-instruments/files/52505/imagepages/image34.htm">Queen, 1883, p. 32</link>. For another color photograph see Thomas Greenslade's collection of <link href="http://physics.kenyon.edu/EarlyApparatus/Optics/Projector/Projector.html">Instruments for Natural Philosophy</link>. Excelsior lantern. By Queen, Philadelphia

BibTeX Export

@misc{65733,
  note         = {{http://vlp.mpiwg-berlin.mpg.de/library/data/lit814 
                   0/index\_html?pn=14\&ws=2.5\&mk=0.0675/0.6433\&wid=dig
                   i\_5755 http://vlp.mpiwg-berlin.mpg.de/library/data
                   /lit8140/index\_html?pn=11\&ws=2.5\&mk=0.5739/0.87\&wi
                   d=digi\_8399 Queen 1883 p. 32 (fig. of Optical
                   Lanterns, „The Excelsior“), see:
                   http://www.sil.si.edu/digitalcollections/trade-
                   literature/scientific-
                   instruments/files/52505/imagepages/image34.htm For
                   a photo, see:  http://physics.kenyon.edu/EarlyAppa
                   ratus/Optics/Projector/Projector.html see also:
                   img30184 (in tecDB dann literatrue-link auf Neg.2
                   setzen)}},
  url          = {https://vlp-new.ur.de/images/img30177}
}