By Denis F. Sullivan
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Additional info for Siegecraft: Two Tenth-Century Instructional Manuals by Heron of Byzantium (Dumbarton Oaks Studies)
In the interest of clarity of identif ication and given numerous other “anonymi byzantini,” I have chosen to retain “Heron of Byzantium”9 on the title page, but generally refer to him as the Anon. Byz. Date of Composition A date for the composition of the two texts was proposed with detailed argumentation and a critique of earlier proposals, by T. H. Martin (267–75) who noted that the Anon. Byz. in the Geodesia (11:73–76, 86–87) says: “For Regulus, with the onward movement of the time since Ptolemy, is found to have now 101/2 degrees in Leo; and the Bright Star of the Hyades 202/3 degrees in Taurus” (ÑO går Basil¤skow, sÁn t“ §pikinÆmati t«n épÚ toË Ptolema¤ou xrÒnvn, iÄ 6Ä mo¤raw §p‹ toË L°ontow nËn eÍr¤sketai §p°xvn: ka‹ ı LamprÚw t«n ÑUãdvn §p‹ toË TaÊrou kÄ bÄÄ), and “For Arcturus now is at the f ifth degree in Libra, with the onward movement” (ÑO går ÉArktoËrow nËn eÄ mo›ran toË ZugoË, sÁn t“ §pikinÆmati, §p°xei).
Finally, T. H. ” Such errors are noted in the commentary. Sackur’s general characterization (Vitruv, 106) seems not unfair: “Der Anonymus Byzantinus ist ein sehr gewissenhafter Arbeiter . . aber ein eigentlich technisches Denken . . 38 One primary focus of the shift was Crete, lost in about 826 and the objective of numerous expeditions, including the failed expedition in 949 (the preparations for which are described in detail in De cerimoniis, 669ff ) and the f inal success of Nikephoros Phokas in 960–961.
A comparison of the illustrations of the ram-tortoise of Hegetor found in Vindobonensis phil. gr. 120 and Paris. suppl. gr. 607 with the same tortoise as illustrated in the Vaticanus conveys this difference clearly (f ig. B). ”22 The Anon. ’s contrast of “drawing” vs. “illustration” (sx∞ma/ sxhmatismÒw) (the latter term occurs twice in the introductory paragraph, once in the conclusion to the Parangelmata, and again in a scholion in the Geodesia) is also paralleled in Neoplatonism. Simplicius’ use of the contrast has been characterized by C.