22:
225:, chief coiner at the United States Mint. He followed his father into the same area of government service, entering the U.S. Mint during an early period in his life. He then steadily worked his way up at the Mint until becoming chief assayer.
248:
of coins worldwide, which determined that coins produced in the United States were more uniform than the coins of other nations, a finding which enhanced
Eckfeldt's worldwide reputation as an assayer. Appointed to his post during
390:
434:
375:
340:
305:
465:
39:
105:
86:
475:
240:"makes no mistakes," Eckfeldt was vindicated by the resulting investigation which confirmed Eckfeldt's findings. In response,
58:
257:
43:
65:
470:
428:
369:
334:
299:
72:
32:
423:
364:
329:
294:
229:
54:
232:
that had been sent to the mint for recoinage, noting that these particular lots fell below the Mint's
460:
455:
206:
419:
360:
325:
290:
241:
233:
210:
427:
368:
333:
298:
79:
250:
140:
449:
414:
355:
320:
285:
222:
190:
169:
165:
21:
237:
245:
221:
Born in
Philadelphia in March 1803, Jacob R. Eckfeldt was a son of
15:
413:
This article incorporates text from a publication now in the
354:
This article incorporates text from a publication now in the
319:
This article incorporates text from a publication now in the
284:
This article incorporates text from a publication now in the
228:
During his tenure, he reported problems with certain lots of
253:'s presidency, Eckfeldt held that position until his death.
236:. Denied by English authorities as "impossible" because the
186:
176:
155:
150:
136:
131:
120:
46:. Unsourced material may be challenged and removed.
268:Eckfeldt died in Philadelphia on August 9, 1872.
244:law ordered close examination of the weight and
8:
435:Appletons' Cyclopædia of American Biography
376:Appletons' Cyclopædia of American Biography
341:Appletons' Cyclopædia of American Biography
306:Appletons' Cyclopædia of American Biography
117:
106:Learn how and when to remove this message
277:
180:August 8, 1872 (aged 68–69)
7:
44:adding citations to reliable sources
205:(March 1803-August 9, 1872) was an
256:He was elected as a member to the
14:
182:Philadelphia, Pennsylvania, U.S.
20:
31:needs additional citations for
258:American Philosophical Society
1:
429:"Eckfeldt, Jacob Reese"
370:"Eckfeldt, Jacob Reese"
335:"Eckfeldt, Jacob Reese"
300:"Eckfeldt, Jacob Reese"
466:Scientists from Philadelphia
492:
132:United States Mint Assayer
196:
146:
127:
438:. New York: D. Appleton.
379:. New York: D. Appleton.
344:. New York: D. Appleton.
309:. New York: D. Appleton.
476:American metallurgists
395:search.amphilsoc.org
391:"APS Member History"
203:Jacob Reese Eckfeldt
160:Jacob Reese Eckfeldt
40:improve this article
264:Death and interment
55:"Jacob R. Eckfeldt"
471:United States Mint
230:English sovereigns
211:United States Mint
213:in Philadelphia.
200:
199:
122:Jacob R. Eckfeldt
116:
115:
108:
90:
483:
440:
439:
431:
411:
405:
404:
402:
401:
387:
381:
380:
372:
352:
346:
345:
337:
317:
311:
310:
302:
282:
151:Personal details
118:
111:
104:
100:
97:
91:
89:
48:
24:
16:
491:
490:
486:
485:
484:
482:
481:
480:
446:
445:
444:
443:
426:, eds. (1900).
418:
412:
408:
399:
397:
389:
388:
384:
367:, eds. (1900).
359:
353:
349:
332:, eds. (1900).
324:
318:
314:
297:, eds. (1900).
289:
283:
279:
274:
266:
219:
217:Formative years
181:
164:
162:
161:
123:
112:
101:
95:
92:
49:
47:
37:
25:
12:
11:
5:
489:
487:
479:
478:
473:
468:
463:
458:
448:
447:
442:
441:
406:
382:
347:
312:
276:
275:
273:
270:
265:
262:
251:Andrew Jackson
218:
215:
198:
197:
194:
193:
188:
184:
183:
178:
174:
173:
159:
157:
153:
152:
148:
147:
144:
143:
141:Andrew Jackson
138:
134:
133:
129:
128:
125:
124:
121:
114:
113:
28:
26:
19:
13:
10:
9:
6:
4:
3:
2:
488:
477:
474:
472:
469:
467:
464:
462:
459:
457:
454:
453:
451:
437:
436:
430:
425:
421:
420:Wilson, J. G.
416:
415:public domain
410:
407:
396:
392:
386:
383:
378:
377:
371:
366:
362:
361:Wilson, J. G.
357:
356:public domain
351:
348:
343:
342:
336:
331:
327:
326:Wilson, J. G.
322:
321:public domain
316:
313:
308:
307:
301:
296:
292:
291:Wilson, J. G.
287:
286:public domain
281:
278:
271:
269:
263:
261:
259:
254:
252:
247:
243:
242:parliamentary
239:
235:
231:
226:
224:
223:Adam Eckfeldt
216:
214:
212:
208:
204:
195:
192:
191:Adam Eckfeldt
189:
185:
179:
175:
171:
167:
158:
154:
149:
145:
142:
139:
135:
130:
126:
119:
110:
107:
99:
88:
85:
81:
78:
74:
71:
67:
64:
60:
57: –
56:
52:
51:Find sources:
45:
41:
35:
34:
29:This article
27:
23:
18:
17:
433:
409:
398:. Retrieved
394:
385:
374:
350:
339:
315:
304:
280:
267:
255:
227:
220:
202:
201:
170:Pennsylvania
166:Philadelphia
102:
93:
83:
76:
69:
62:
50:
38:Please help
33:verification
30:
461:1872 deaths
456:1803 births
238:London mint
450:Categories
400:2021-04-12
272:References
163:March 1803
66:newspapers
424:Fiske, J.
365:Fiske, J.
330:Fiske, J.
295:Fiske, J.
260:in 1844.
137:President
96:June 2019
246:fineness
234:standard
209:for the
417::
358::
323::
288::
207:assayer
80:scholar
187:Parent
172:, U.S.
82:
75:
68:
61:
53:
87:JSTOR
73:books
177:Died
156:Born
59:news
42:by
452::
432:.
422:;
393:.
373:.
363:;
338:.
328:;
303:.
293:;
168:,
403:.
109:)
103:(
98:)
94:(
84:·
77:·
70:·
63:·
36:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.