Using Tillet, by the Gold/Silver Prag Mark (Old Weight), 1 Prag-Loth Ag/Au = 332.6875 Holland Aas (= 15.98474, 15.98955 Gr) ; 1 Wien-Loth Ag/Au = 364.8219 Holland Aas (= 17.5287 Gr)
Where 10,000 Holland Aas = 7,416.967773 English Troy Grains (~7,416.97)
Berlin: 1 Mark Cöllnische = 8 Unzen = 16 Loth, ∴
1 Unze = 0.9395 Ozt.; 29.2212 g.
1 Loth = 0.4697 Ozt.; 14.6106 g.
(Heavier) 1 Mark Cöllnische = 8 Unzen = 16 Loth, ∴ 1 Unze = 0.94 Ozt.; 1 Loth = 0.47 Ozt.;
Louis d'Or = 0.2145 Ozt.; 6.67089 g. ......... Ducat = 0.1120 Ozt. ; 3.48443 g.
Citation: Leipziger Handwörterbuch der Handlungs-, Comptoir- und Waarenkunde &c., Vol. 2 (1818) p.213:
1 Mark Prag = 8 Unzen = 16 Loth, ∴ 1 Unze = 1.0281 Ozt.; 31.9787 g.
1 Loth = 0.5141 Ozt.; 15.9893 g.
p.215:
1 Mark Wien = 8 Unzen = 16 Loth, ∴ 1 Unze = 1.2745 Ozt.; 35.0676 g.
1 Loth = 0.5637 Ozt.; 17.5337 g. p.215:
1821:
1 Böhm. Loth (Commercial) = 0.516769506 Ozt.; 16.07332813 Grammes
1 Böhm. Unze (Commercial) = 1.033539013 Ozt.; 32.14665625 Grammes
1823:
1 Wiener Loth (Commercial) = 0.562789724 Ozt.; 17.5047169 Grammes
1 Prager Loth (Commercial) = 0.516530389 Ozt.; 16.0658908 Grammes
1 Wiener Loth (Sibergewicht) = 0.515806078 Ozt.; 16.0433622 Grammes
1 Apotheker Unze = 1.12554726 Ozt.; 35.0084326 Grammes
1 English Troy Ounce = 0.888456699 Apotheker Unze
Commerce-Weight. The Wiener Zentner contains 5 Stein to 20 Pfunde, or 100 Pfunde. The {Wiener} Pfund, which is divided in half and quarter-Pfunde, contains 32 Lothe, each about 4 Quentchen or Quinteln. The Bohemian Zentner contains 120 Pfunde, which likewise each has 32 Lothe, the Loth is divided to 4 Quentchen; 100 Wiener Pfunde are equal to 108.875 Bohemian Pfunde. The {Commercial} Wiener Pfund contains 11,655 Holland Assen, the Bohemian 10,697.
The Apothecary Pfund has 12 Unzen at 8 Drachme each; the Drachme 3 Skrupeln, the Skrupel about 20 Gran. 12 Unzen contains 8,741 Holland Assen. Thus the Apothecary Pfund is exactly 75% the Commercial-Weight Wiener Pfund, an Unze likewise 2 Lothe and the Drachma 1 Quentchen.
The Viennese Gold- and Silverweight is the Mark to 16 Lothe, each 4 Quentchen.
The Mark contains 80.4 imperial ducats and weighs 5,341 Holland Assen; 5 Wiener Mark equal 6 Kölnischen Marks.
Citation: A. W. Griesel's Neuestes Gemälde von Prag (1823) p.144-5
Austria:
(Austrian) Handelsgewicht Unze ......... 1.12528 Ozt.
(Austrian) Handelsgewicht Loth ........... 0.56264 Ozt.
(Austrian) Handelsgewicht Drachme .... 0.14066 Ozt.
(Austrian) Handelsgewicht Gramme .... 0.03517 Ozt.
(Austrian) Handelsgewicht Gran .......... 0.00257 Ozt.
1 Wiener Mark (16 Wiener Loths Silbergewicht) = 9.02291424 Ozt.; 280.644 Grammes
1 Wiener Loth Silbergewicht) = 0.56393214 Ozt.; 17.54 Grammes
1 English Troy Ounce = 426.6594833 Wiener Gran Medicalgewicht
1 Wiener Unze Medicalgewicht = 1.12530187 Ozt.
1 Wiener Drachme Medicalgewicht = 67.5165663 English Troy Grains
1 Wiener Gran Medicalgewicht = 1.1250189 English Troy Grains
Citation: Handbuch de Naturlehre; G. W. Muncke (1829) p.147
1 Wiener Mark (16 Wiener Loths Silbergewicht) = 9.02592439 Ozt.; 280.7376 Grammes
1 Wiener Loth Silbergewicht) = 0.56412 Ozt.; 17.5461 Grammes
1 Wiener Apotheker Unze = 1.125675427 Ozt.; 35.01241901 Grammes
1 Wiener Apotheker Drachme = 0.140709428 Ozt.; 4.376552376 Grammes
Another erroneous calculation:
1 Wiener Apothekerpfund Unze = 0.888395833 Ozt.; 27.6321988 Grammes
Bohemia/Prague:
c.1829: 1 Prague Loth = 16.05 g.
Citation: Die landwirthschaftliche Baukunst. - Prag, Schönfeld 1826-29; Johann Philipp Joendl (1829) p.677
c.1833: 1 Prague Handelgewicht Loth = 0.516916688 Ozt.; 16.077906 g.
c.1833: 1 Prague Silbergewicht Loth = 15.8163 g.
c.1833: 1 Prague Pfund = 514.51 69 g., 1 Prague Loth = 16.079 g.
1 Prager Mark (16 Prager Loths Silbergewicht) = 8.13606804 Ozt.; 253.06 Grammes
1 Wiener Loth Silbergewicht) = 0.508504253 Ozt.; 15.81625 Grammes
1 Prager Loth Silbergewicht = 0.509915 Ozt. or 15.8601296 Grammes
1848: 1 Wiener Cölniche Loth = 14.6169 g.
1848: 1 Weiner Loth Silbergewicht = 17.54025 g. ; 0.56393214 Ozt.
1856: 1 Wiener Cöllnische Mark = 233.87 Grammes ; 7.519 Ozt.
1 Gram = 280.2241 Wiener Cölln. Mark-Richtpfennige
1 Apotheker Unze = 1.12531 Ozt.; 35.001053 Grammes
1859: 1 Wiener kölnische Mark = 233.87 Grammes ; 7.519 Ozt.
= 1 Wiener kölnische Loth= 14.6169 Grammes ; ~0.47 Ozt.
c.1860 1 Ducaten = 3.490597 g.
c.1860 1 Wiener Loth = 17.54 g.
500 Grammes =28.5 Wiener Loth, so 1 Kilogram = 57 Wiener Loth; 1 English Troy Ounce = 1.832592579 Wiener Loth, and 1 Wiener Loth = 17.54385965 Grams.
The so-called "old Vienna Pfund" was 560.012 g, or 18 English Troy Ounces, 1 Loth = 17.50 Grams.
c. 1840 estimation
Dukaten = 3.49 g.
Where 1 Ducaten = 3.48882 g.
1849: 1 Ducaten = 3.490598 g.
(In Frankfurt, 1 Unze Inhalt was 28.409 cc.)
Wine measure: 1 Cubic Inch =
Prag
Assuming Jacquin's calculation of the Viennese Cylinder of Water correct (1.570795 Kubik~Zoll = 393.6 Wiener Gran; 1 Kubik~Zoll = 250.5738 Wiener Gran (222.6087 English Troy Grains ; 14.4248 Grams) ; likewise assuming the Wiener Apothecary Unze of 480 Gran, the metric weight '1 Unze Wasser' should be 27.6322 Grams {27.6322 cc}.
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