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21 Carrageen Moss
A kind of seaweed, or algas (Chrondrus Crispus) found on the coasts of Ireland. It is first bleached and dried by exposure to the atmosphere and in this state is sold. When boiled it forms a highly gelatinous substance, like isinglass. The early Irish linen manufacturers used large quantities for flax dressing. It was also used, when boiled with milk, as a food, making a nourishing jelly. Also known as Ireland moss and Irish moss. -
22 ἀπόθεσις
A laying up in store, ([place name] Cos); εἰς ἀ. γενέσθαι to be stored up, Pl.Lg. 844d;γάλα χρήσιμον εἰς ἀ. Arist.HA 522a26
; ἡ ἀ. τῆς τροφῆς, of bees, 622b26;τὴν ἀ. τῆς θήρας ποιεῖσθαι 623a12
; preserving, of fish, Philum. ap. Aët.9.23.2 the final movement in setting a dislocated or fractured limb, Gal.18(2).332, al., Pall.in Hp.Fract.12.273 C.; f.l. in Hp.Off. 19.4 ἀ. κώλου, περιόδου, close or cadence of a phrase, Demetr.Eloc.19, cf. Sch.Ar.Nu. 176; so in metres, = κατάληξις, Heph.4 tit.III = ἀποδυτήριον, Luc.Hipp.5.Greek-English dictionary (Αγγλικά Ελληνικά-λεξικό) > ἀπόθεσις
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23 Petzval, Josef Max
SUBJECT AREA: Photography, film and optics[br]b. 1807 Spisska-Beila, Hungaryd. 17 September 1891 Vienna, Austria[br]Hungarian mathematician and photographic-lens designer, inventor of the first "rapid" portrait lens.[br]Although born in Hungary, Petzval was the son of German schoolteacher. He studied engineering at the University of Budapest and after graduation was appointed to the staff as a lecturer. In 1835 he became the University's Professor of Higher Mathematics. Within a year he was offered a similar position at the more prestigious University of Vienna, a chair he was to occupy until 1884.The earliest photographic cameras were fitted with lenses originally designed for other optical instruments. All were characterized by small apertures, and the long exposures required by the early process were in part due to the "slow" lenses. As early as 1839, Petzval began calculations with the idea of producing a fast achromatic objective for photographic work. For technical advice he turned to the Viennese optician Peter Voigtländer, who went on to make the first Petzval portrait lens in 1840. It had a short focal length but an extremely large aperture for the day, enabling exposure times to be reduced to at least one tenth of that required with other contemporary lenses. The Petzval portrait lens was to become the basic design for years to come and was probably the single most important development in making portrait photography possible; by capturing public imagination, portrait photography was to drive photographic innovation during the early years.Petzval later fell out with Voigtländer and severed his connection with the company in 1845. When Petzval was encouraged to design a landscape lens in the 1850s, the work was entrusted to another Viennese optician, Dietzler. Using some early calculations by Petzval, Voigtländer was able to produce a similar lens, which he marketed in competition, and an acrimonious dispute ensued. Petzval, embittered by the quarrel and depressed by a burglary which destroyed years of records of his optical work, abandoned optics completely in 1862 and devoted himself to acoustics. He retired from his professorship on his seventieth birthday, respected by his colleagues but unloved, and lived the life of a recluse until his death.[br]Principal Honours and DistinctionsMember of the Hungarian Academy of Science 1873.Further ReadingJ.M.Eder, 1945, History of Photography, trans. E. Epstean, New York (provides details of Petzval's life and work; Eder claims he was introduced to Petzval by mutual friends and succeeded in obtaining personal data).Rudolf Kingslake, 1989, A History of the Photographic Lens, Boston (brief biographical details).L.W.Sipley, 1965, Photography's Great Inventors, Philadelphia (brief biographical details).JW -
24 הוקעה
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25 הוֹקָעָה
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26 פגם
פְּגָםm. (preced. wds.) 1) injury, deterioration; blemish, discredit. Tanḥ. Vayishl. 5 פ׳ הוא לאשה it is discreditable to a woman (to be showy). Y.B. Kam.VIII, end, 6c; Bab. ib. 93a משום פְּגַם משפחה because it is a discredit to the entire family. Gitt.59b משום פְּגָמוֹ של ראשין because it might cast a reflection on his predecessor (making it appear as if he were not a legitimate priest); משום פ׳ שניהם because it reflects on both of them. Sot.41a משום פגמו של ראשון because it discredits the scroll first used (as if it had been found unfit for reading in it). Sifré Num. 92 דברי פ׳ criticising words, opp. דברי שבח. Yalk. Ps. 846 ע״א קרויה לשם פְּגָמָהּוכ׳ a heathen deity is named with an opprobrious epithet, as ḥerem, shekets, opp. לשם שבח; a. fr.נותן טעם לפ׳, v. טַעַם. Cant. R. to VII, 8 (in Chald. dict.) אנן בעינן נתן ביה פ׳וכ׳ we desire to discredit him (the idol), by being there and not bowing to him Snh.73b פִּיגְמָהּ (from פֶּגֶם), v. פְּגִימָה. 2) indemnity for deterioration in value or social standing, to be paid to a seduced or outraged girl. Keth.III, 4 המפתה נותן בושת ופ׳ וקנס the seducer must pay an indemnity for exposure to shame and for loss of value, and a fine besides. Ib. 7 פ׳ רואין אותהוכ׳ as to indemnity for loss of value, we estimate her as if she were a handmaid to be sold 3) (v. פְּגִימָה) the decrease of the moon; trnsf. decline. Pesik. R. s. 15 (ref. to Ps. 89:38) כהדין סיהרא … אתם מונין לפְגָמוֹ like the moon: if you do good, you shall count by its fulness (by referring to your political ascendancy); if not, you shall count by its decrease (by the symptoms of decline); Pesik. Haḥod., p. 53a> לפְגָמָהּ; v. next w. -
27 פְּגָם
פְּגָםm. (preced. wds.) 1) injury, deterioration; blemish, discredit. Tanḥ. Vayishl. 5 פ׳ הוא לאשה it is discreditable to a woman (to be showy). Y.B. Kam.VIII, end, 6c; Bab. ib. 93a משום פְּגַם משפחה because it is a discredit to the entire family. Gitt.59b משום פְּגָמוֹ של ראשין because it might cast a reflection on his predecessor (making it appear as if he were not a legitimate priest); משום פ׳ שניהם because it reflects on both of them. Sot.41a משום פגמו של ראשון because it discredits the scroll first used (as if it had been found unfit for reading in it). Sifré Num. 92 דברי פ׳ criticising words, opp. דברי שבח. Yalk. Ps. 846 ע״א קרויה לשם פְּגָמָהּוכ׳ a heathen deity is named with an opprobrious epithet, as ḥerem, shekets, opp. לשם שבח; a. fr.נותן טעם לפ׳, v. טַעַם. Cant. R. to VII, 8 (in Chald. dict.) אנן בעינן נתן ביה פ׳וכ׳ we desire to discredit him (the idol), by being there and not bowing to him Snh.73b פִּיגְמָהּ (from פֶּגֶם), v. פְּגִימָה. 2) indemnity for deterioration in value or social standing, to be paid to a seduced or outraged girl. Keth.III, 4 המפתה נותן בושת ופ׳ וקנס the seducer must pay an indemnity for exposure to shame and for loss of value, and a fine besides. Ib. 7 פ׳ רואין אותהוכ׳ as to indemnity for loss of value, we estimate her as if she were a handmaid to be sold 3) (v. פְּגִימָה) the decrease of the moon; trnsf. decline. Pesik. R. s. 15 (ref. to Ps. 89:38) כהדין סיהרא … אתם מונין לפְגָמוֹ like the moon: if you do good, you shall count by its fulness (by referring to your political ascendancy); if not, you shall count by its decrease (by the symptoms of decline); Pesik. Haḥod., p. 53a> לפְגָמָהּ; v. next w.
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