600 mark on wts, 45 a b c egg sc mkr, 379

X

"X Marks the Patent" (article by Willard), 2637–2639

X-Patents, 2637–2639, 2663

issued before patent office fire, 2637–2639

X S see weights, denomination, half-sovereign; weights, denomination, half-unite; weights, denomination, laurel

XI S see angel; weights, denomination, half-unite

XII D see weights, denomination, shilling

XV S see weights, denomination, spur-ryal

XVI [S] VII [D] see weights, denomination, spur-ryal

XX S see weights, denomination, guinea; weights, denomination, sovereign

XXII S see weights, denomination, unite

XXX D see weights, denomination, half-crown

XXX III S see weights, denomination, rose-ryal

XXX S see weights, denomination, rose-ryal

XXX [S] III [D] see weights, denomination, half-crown

Y

Y N R, mark on wts, 122

Y V design, platform sc, 695, 724

Y W R, mark on wts, 122

yakushu bakari see steelyard

Yale, Alan, biography, 2191

Yale, Allen, 3071

Yale's

"Gerald's Advert, 1844" (article), 2191

Ingenious and Enterprising Mechanics, 1997, 2194–2196

"Thaddeus Fairbanks' Invention, 1830, Part 1" (article), 2283–2286

"Thaddeus Fairbanks' Invention, 1830, Part 2" (article), 2326–2329

"Thaddeus Fairbanks' Invention, 1830, Part 3" (article), 2344–2349

yard measure, wooden, 1160

yardage sc see yarn bal

yarn bal

def, 340, 344

equal-arm, 1171–1174, 1759

glass, 1168

instructions

Clayton, Dr Frederick, 1759

Nesbitt, John, 1790

inventor

Clayton, Dr Frederick, 1759

Ludlam, W, 572, 605–606

Staub, 340, 1073

mkr

Avery, W & T Ltd, 1173

Bastick & Driver, 1734

Casartelli, J & Son, 1103, 1133

Casartelli, J & Son Ltd, 957

Clayton, Dr Frederick, 1170–1171, 1759

Gardner, John, 1309

Lord, Horatio, 1171

Maul, Philipp Jakob, 1654

Nesbit, 1103

Oertling, Ludwig, 1173

Rouse, 573, 605

Salter, Geo & Co, 224, 518

Schopper, Louis, 1174

Thomas, Geo & Co Ltd, 1103

Troemner, Henry, 1170

moisture tester, 1150

nationality

American, 1170

British, 224, 518, 957, 1103, 1133, 1171–1173

German, 1174, 1654

Irish, 1170–1172, 1759

Scottish, 1309

patentee

Albinson, J H & Cocker, H H, 1176

Barlow, H B, 1176

Beesley, H, 1176

Bodmer, R, 1176

British Research Association Barker, S G & Hedges, J J, 1176

Harling, G see yarn bal, patentee, Thomas, G & Harling, G

Knowles, T, 1174, 1176

Saladin, L J B, 1176

Staub, Emil, 1176

Thirion, E, 1176

Thomas, G, 1176

Thomas, G & Harling, G, 1176

Tomkins, M H, 1176

Trafford, W, 1176

pendulum, 572, 605, 1174, 1309, 1654

earliest?, 1309

precision bal, 1173

retailer

Casartelli, 1174

Clayton, F & J, 1760

Clayton, F & Sons, 1760

Goodbrand & Co Ltd, 1173–1174, 1726

Lord, Henry, 1726

Nesbitt, John, 1173

spring, 518

unequal beam, 340, 1073, 1103, 1133, 1170

"Yarn Cloth & Roving Scales" (article by Crawforth), 1143–1150, 1168–1176

Yarnell, Ellis, American sc mkr, 1047

Yates see Whitworth & Yates

yearden measure, 1139

Yearly, John, sc mkr, 3090

Yeates, George & Son, Irish sc mkr, 1844

Yeates & Son

dates, 1845

electromagnetic bal mkr, 1754, 1845

precision bal mkr, 1822

scientific instrument mkr, 1822

see also catalogue

"Yekeri Steelyard Maker" (article by Crawforth, M), 645–646

yellowing, 1237

Yeoman, Thomas

platform sc mkr, 660, 710

weighing machine mkr, 660

YMCA, St Johnsbury, VT founded by Fairbanks, 3067

York (W IV lion mark), 1928

Yorkshire East Riding, E R Y mark on wts, 122

Yorkshire West Riding

liberties, 1972

mark, 2031

Young (author), 808

Young, Charles, date, 1740

Young, Dr Thomas, researcher 1820, 1108

Young, Elizabeth

dates, 1734

successor of Young, George, 1740

widow of Young, George, 1734

Young, George

apprentice of Young, John I, 1734

brother of Young, John II, 1734

dates, 1734

husband of Young, Elizabeth, 1734

son of Young, John I, 1734

succeeded by Young, Elizabeth, 1740

Young, Jack, biography, 2190

Young, John I

apprentice of Sewell, George, 1734, 2540

coin sc mkr, 2540

dates, 18, 1734

diamond sc mkr, 1734

father of Young, George, 1734

father of Young, John II, 1734

master of Grove, Thomas II, 1734, 1740

master of Sewell, George, 2540

master of Young, George, 1734, 1740, 2540

master of Young, John II, 1734

partner of Young, John II, 1734

sc mkr, 18

succeeded by Young & Son, 1734, 2540

successor of Sewell & Young, 1734, 2540

Young, John II

apprentice of Young, John I, 1734

brother of Young, George, 1734

father of Young, John III, 1734

master of Young, John III, 1734

partner of Young, John I, 1734

son of Young, John I, 1734

Young, John III

apprentice of Young, John II, 1734

son of Young, John II, 1734

Young, Son & Marlow

bread, sc mkr, 1089

dates, 1734

successors of Young & Son, 1734

Young & Son, 355, 418–419, 1791, 2540

apothecary sc mkr, 800, 804

apothecary wt mkr, 835

coin/apothecary sc mkr, 799, 2540

dates, 419, 1727

employer of Wenborn, Robert, 1739

grain sc mkr, 1727

person sc mkr, 18, 113

shop sc mkr, 800

steelyard mkr, 800, 804

succeeded by Young, Son & Marlow, 1734

successors of Young, John I, 1734

trade card, 800

working with Bate, Robert Brettell, 1787

wts, 800, 835

Young, John I & Young, John II, 1734

"Young Person Scales" (article by Brass), 18

Young,Standard mkr

price of, 2252

Westminister Coat of Arms on, 2252

Young's "Domestic Medicine Chests," 808

Young's "Ohaus: Dr. Fitch's Descendent?" (article), 2188–2190

Z

Zak Danforth's Nesting Wts Einsatzgewichte & Piles a Godet (review), 1165–1167

Zavattoni, coin weights, 2387

Zavattoni's

"English Colonial Scales" part 2 (article), 1818

"Italian Coin-scale" (article), 1420–1422

"Milanese Coin Scale-Boxes in 19th C" (article), 2357–2361

"Not Shekels but Ounces" (article), 2182

"Shakespear's Wood: Sharp" (query), 1323

Zavattoni's "Seville Scale & the Circulation of Coin Weights" (article), 2995–2997

Zavattoni's "Weights made of Silver" (article), 2766

Zehntausend Jahre Waage

Haeberle (extract), 885–888

Haeberle (review), 87, 610

Zenith egg see Bedell, O W

Zenith egg grading scale, see also Zenith egg sc; Zenith egg scales

Zenith egg sc, 379, 415, 958, 3056–3059, 3081–3084

history, 3056–3059, 3081–3084

Zenith egg sc mkr, Coon, Tim, 3082–3083

Zenith egg scales

Agway mkr, 3081

Coon, Tim mkr, 3082–3083

Grange League Federation mkr, 3081

Grange mkr, 3058–3059, 3081

labels, 3058–3059, 3084

manufacturers, 3059

map of locations, 3083

Pratt, N L mkr, 3059, 3081

Pratt, Sara wife of mkr, 3081

Zenshiro, steelyard mkr, 321, 325

zenshiro bakari see steelyard

zero adjuster, def, 344

Zevenboom & Wittop-Koning (authors), 87

Zevenboon & Wittop-Koning's Nederlanse Gewichten (review), 87

Zimmer, Benjamin, 2295

dates, 2298–2299

egg scale mkr, 2295

egg scale patentee, 2295

Jolly, C C, successor, 2296

Kuhl, successor, 2296

Zimmerman, A & M

precision bal mkr, 1822

scientific instrument mkr, 1822

see also catalogue

zinc-alloy, 1665–1666

zoge bakari see steelyard

zoll, German unit of wt, 1439

Zorn, Otto, grain sc mkr, 82

Zulu wars, 1233

Zupko

author, 2072

British Weights & Measures (review), 188

Dictionary of English Weights & Measures (review), 186

Dictionary of W & M for the British Isles (review), 1074

French Weights & Measures Before the Revolution (review), 189

Zwiesler, L, weigh scoop patentee, 492