used: Acts 8:9-11, Acts 13:6, Acts 13:8; Exodus 7:11, Exodus 7:22; Deuteronomy 18:10-12; 1 Samuel 28:7-9; 1 Chronicles 10:13; 2 Chronicles 33:6; Isaiah 8:19, Isaiah 47:12-13; Daniel 2:2
curious: Περιεργα: strong:G4021, curious, that is, magical arts, in which sense the word is used in the Greek writers. The study of magic was prosecuted with such zeal at Ephesus, that Εφεσια: strong:G2180, γραμματα: strong:G1121, the Ephesian letters, certain charms, or words used in incantation, became much celebrated in antiquity.
and burned: Genesis 35:4; Exodus 32:20; Deuteronomy 7:25-26; Isaiah 2:20-21, Isaiah 30:22; Matthew 5:29-30; Luke 14:33; Hebrews 10:34
fifty: Probably Attic drachms; which at 7, 1/2d. each, would amount to 1, 562£. 10s. or at, 9d. each, to 1, 875£.