Video: Refractor telescope from 1934 still in use at Philadelphia’s Franklin Institute
Derrick Pitts, lead astronomer at Philadelphia’s Franklin Institute, talks about the telescope used in the Bloom Observatory. The 10-inch refractor telescope has been around since 1934, and was built by Carl Zeiss Jena and shipped over from Germany. Read More
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Video: Refractor telescope from 1934 still in use at Philadelphia’s Franklin Institute
