artefacts: 294

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rowid artifactNumber ObjectName GeneralDescription model SerialNumber Manufacturer ManuCountry ManuProvince ManuCity BeginDate EndDate date_qualifier patent NumberOfComponents ArtifactFinish ContextCanada ContextFunction ContextTechnical group1 category1 subcategory1 group2 category2 subcategory2 group3 category3 subcategory3 material Length Width Height Thickness Weight Diameter image thumbnail
294 1966.0228.006 Support aluminum and synthetic Questar   QUESTAR CORP. United States of America Pennsylvania New hope 1960   before   14 Aluminum support with black synthetic tip. AN AMERICAN MADE TELESCOPE USED BY THE DOMINION OBSERVATORY IN OTTAWA & LATER BY NMST AS PART OF ITS ASTRONOMICAL EDUCATIONAL PROGRAMME.   INTRODUCED IN 1954 THE QUESTAR WAS A SMALL TABLETOP OR PORTABLE TELESCOPE WITH MAKSUTOV CASSEGRAIN CATADIOPTRIC OPTICS. IT WAS MARKETED FOR USE BY ASTRONOMERS NATURALISTS PHOTOGRAPHERS ETC. IN ADDITION TO THIS 3.5 INCH APERTURE MODEL THERE WAS ALSO THE QUESTAR SEVEN WITH A 7 INCH APERTURE (REF. 2). Astronomy Observation equipment Optical telescopes             metal->aluminum;synthetic