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Report a problem related to object: Introductorium compendiosum in tractatu[m] sphere materialis mgri Joannis de Sacrobusto: que[m] abbreviauit ex Alamgesti sapientis Ptolomei Claudii philosophi alexandrini et Pheludio pgeniti p[er] mgrim Joa[n]nem Glogoviensem feliciter recollectu[m]