Erie Pennsylvania Blog, the addition museum the addition museum, Erie Pennsylvania Blog most recent posts http://blog.eriepa.org/the_addition_museum en Fri, 04 Dec 2009 18:50:48 GMT 200 History of the Planetarium (the addition museum) Posted by Website Introductions: (the addition museum) The decision had been made to add a planetarium to the complex of the Watson-Curtze Mansion. This was done during its transformation into a natural history museum back in the nineteen hundred and forty's. Read more: History of the Planetarium [click] <br>Tags: <b>planetarium</b>, <b>the transformation</b>. Comments: 0. http://blog.eriepa.org/planetarium/20091204-123548-History-of-the-Planetarium http://blog.eriepa.org/planetarium/20091204-123548-History-of-the-Planetarium