<?xml version="1.0" encoding="UTF-8"?><collection xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.loc.gov/MARC21/slim" xsi:schemaLocation="http://www.loc.gov/MARC21/slim http://www.loc.gov/standards/marcxml/schema/MARC21slim.xsd"><record><leader>01198nam a22002891  4500</leader><controlfield tag="001">001984084</controlfield><controlfield tag="003">MiAaHDL</controlfield><controlfield tag="005">20250726000000.0</controlfield><controlfield tag="006">m        d        </controlfield><controlfield tag="007">cr bn ---auaua</controlfield><controlfield tag="008">900614m19261927stk|||||||||||||| ||eng|d</controlfield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(MiU)990019840840106381</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">sdr-miu.990019840840106381</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="z">(MiU)MIU01000000000000001984084-goog</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(OCoLC)24196728</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(SAZTEC)103600930</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(CaOTULAS)176883473</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="z">(MiU)Aleph001984084</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="c">SAZTEC</subfield><subfield code="d">UtOrBLW</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Hagen, Johann G.,</subfield><subfield code="d">1847-1930.</subfield><subfield code="0">http://id.loc.gov/authorities/names/n84804804</subfield><subfield code="1">http://id.loc.gov/rwo/agents/n84804804</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">First [-sixth] note on W. Herschel's observations of extended nebulous fields.</subfield></datafield><datafield tag="260" ind1=" " ind2=" "><subfield code="a">[Edinburgh] :</subfield><subfield code="b">[Printed by Neill],</subfield><subfield code="c">[1926-27]</subfield></datafield><datafield tag="300" ind1=" " ind2=" "><subfield code="a">6 pts. in 1 v. :</subfield><subfield code="b">tables. ;</subfield><subfield code="c">23 cm</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">text</subfield><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">unmediated</subfield><subfield code="b">n</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">volume</subfield><subfield code="b">nc</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="500" ind1=" " ind2=" "><subfield code="a">On cover: Specola Vaticana. W. 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