374:"}},"text\/plain":{"en":{"":"inception"}}},"{\"value\":{\"time\":\"+1904-01-01T00:00:00Z\",\"timezone\":0,\"before\":0,\"after\":0,\"precision\":9,\"calendarmodel\":\"http:\\\/\\\/www.wikidata.org\\\/entity\\\/Q1985727\"},\"type\":\"time\"}":{"text\/html":{"en":{"P571":"1904"}},"text\/plain":{"en":{"P571":"1904"}}}}": -->
134:
foreground), to align the digits of the operand with different digits of the accumulator. The 16 vertical wheels on the front of accumulator section are the output dials, with numbers 0-9 around their circumference that appear in windows in the top plate. The 8 shiny horizontal disks on the input section in front are the operand dials, with knobs for setting the operand into the machine. The crank on the front performs the calculation.
252:
227:
67:
370:
133:
It consists of two parallel parts: the 16 digit accumulator section to the rear, and the 8 digit input section to the front. The input section is mounted on rails, and can be moved parallel to the accumulator with a crank and worm gear on the left end (the crank is removed and lying in the
512:
38:
129:
in 1671 and completed in 1694. About 67 cm (26 in.) long. This was the first calculator able to perform all the elementary operations: addition, subtraction, multiplication, and division. The housing is removed to show the
262: Note that a few countries have copyright terms longer than 70 years: Mexico has 100 years, Jamaica has 95 years, Colombia has 80 years, and Guatemala and Samoa have 75 years. This image may
472:
468:
257:
371:
567:
78:
46:
283:
183:
306:
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.
240:
381:
360:
537:
278:
implement the rule of the shorter term. Copyright may extend on works created by French who died for France in
162:
Encyklopädie der
Mathematischen Wissenschaften mit Einschluss ihrer Anwendungen, Vol. 2 Arithmetic und Algebra
467:{{Information |Description=Photo of the mechanism of the ''Staffelwalze'' (English '
287:
449:
444:
138:
James Redin (2007) World of
Calculators, A Brief History of Calculators Part 1: The Age of the Polymaths
37:
126:
271:
485:
The following pages on the
English Knowledge use this file (pages on other projects are not listed):
291:
86:
159:
489:
122:
305:
8:
295:
73:
350:
494:
235:
460:
279:
391:
260:
to indicate why this work is in the public domain in the United States.
164:, Druck und Verlag von E. G. Teubner, Leipzig, Germany, p.964, fig.11
125:' a prototype mechanical calculator invented by German mathematician
522:
417:
Click on a date/time to view the file as it appeared at that time.
557:
527:
137:
239:
in its country of origin and other countries and areas where the
290:(known as the Great Patriotic War in Russia) and posthumously
266:
be in the public domain in these countries, which moreover do
547:
274:. Honduras has a general copyright term of 75 years, but it
61:
344:
Add a one-line explanation of what this file represents
475:
in 1674. |Source=Downloaded 2008-1-16 from [http://
471:') a prototype mechanical calculator invented by
483:
503:
415:
85:
Commons is a freely licensed media file repository.
148:
314:https://creativecommons.org/publicdomain/mark/1.0/
51:(775 × 293 pixels, file size: 93 KB, MIME type:
66:
513:أداة الاستدلال المنطقي لحساب التفاضل والتكامل
178:
144:
108:
170:
154:
14:
505:The following other wikis use this file:
320:Creative Commons Public Domain Mark 1.0
111:Leibniz Stepped Reckoner mechanism.png
47:Leibniz_Stepped_Reckoner_mechanism.png
226:
97:
221:
408:
13:
349:
343:
190:Public domain - Meyer died in 1934
115:
98:
44:
581:
348:
288:the Eastern Front of World War II
484:
334:
250:
225:
65:
31:
21:
473:Knowledge:Gottfried von Leibniz
331:
294:victims of Soviet repressions (
258:United States public domain tag
121:Photo of the mechanism of the '
116:
41:No higher resolution available.
500:
412:
330:
26:
1:
480:
356:Items portrayed in this file
197:
7:
245:life plus 70 years or fewer
160:Wilhelm Franz Meyer (1904)
158:Downloaded 2008-1-16 from
10:
586:
564:Usage on ru.wikipedia.org
554:Usage on pt.wikipedia.org
544:Usage on it.wikipedia.org
534:Usage on he.wikipedia.org
519:Usage on ca.wikipedia.org
509:Usage on ar.wikipedia.org
469:Knowledge:Stepped Reckoner
286:), Russians who served in
105:
100:
409:
304:
224:
136:For more information see
127:Gottfried Wilhelm Leibniz
16:
333:
272:rule of the shorter term
256:You must also include a
72:This is a file from the
36:
466:
147:
76:. Information from its
523:Calculadora de Leibniz
445:11:30, 16 January 2008
79:description page there
558:Calculus Ratiocinator
528:Calculus ratiocinator
490:Calculus ratiocinator
233:This work is in the
568:Арифмометр Лейбница
174:Wilhelm Franz Meyer
501:Global file usage
478:
342:
311:
310:
300:
220:
219:
194:
193:
187:
184:Reusing this file
94:
93:
74:Wikimedia Commons
32:Global file usage
577:
548:Stepped Reckoner
495:Stepped reckoner
457:
419:
340:
327:
324:
321:
318:
315:
296:more information
284:more information
255:
254:
253:
243:is the author's
229:
228:
222:
216:
213:
210:
207:
202:
201:
181:
150:
123:Stepped Reckoner
120:
112:
106:
90:
69:
68:
62:
56:
54:
585:
584:
580:
579:
578:
576:
575:
574:
499:
486:
479:
463:
455:
411:
410:
407:
406:
405:
404:
403:
402:
401:
400:
398:
388:
387:
386:
384:
369:
368:
367:
366:
365:
363:
347:
346:
345:
325:
322:
319:
316:
313:
299:
251:
214:
211:
208:
205:
200:
195:
166:on Google Books
131:
110:
103:
96:
95:
84:
83:
82:is shown below.
58:
52:
50:
43:
42:
12:
11:
5:
583:
573:
572:
571:
570:
562:
561:
560:
552:
551:
550:
542:
541:
540:
532:
531:
530:
525:
517:
516:
515:
502:
498:
497:
492:
482:
477:
476:
465:
461:
458:
452:
447:
442:
438:
437:
434:
431:
428:
425:
422:
414:
399:
396:
394:
393:
392:
390:
389:
385:
380:
378:
377:
376:
375:
373:
364:
359:
357:
354:
353:
352:
351:
339:
338:
335:
332:
309:
308:
302:
301:
270:implement the
261:
241:copyright term
230:
218:
217:
199:
196:
192:
191:
188:
176:
175:
172:
168:
167:
156:
152:
151:
146:
142:
141:
113:
104:
102:
99:
92:
91:
70:
60:
59:
40:
35:
34:
29:
24:
19:
9:
6:
4:
3:
2:
582:
569:
566:
565:
563:
559:
556:
555:
553:
549:
546:
545:
543:
539:
536:
535:
533:
529:
526:
524:
521:
520:
518:
514:
511:
510:
508:
507:
506:
496:
493:
491:
488:
487:
474:
470:
464:
459:
453:
451:
448:
446:
443:
440:
439:
435:
432:
429:
426:
423:
421:
420:
418:
395:
383:
379:
362:
358:
355:
336:
329:
328:
307:
303:
297:
293:
292:rehabilitated
289:
285:
281:
277:
273:
269:
265:
259:
249:
248:
246:
242:
238:
237:
236:public domain
231:
223:
209:Public domain
206:Public domain
204:
203:
189:
185:
180:
177:
173:
169:
165:
163:
157:
153:
143:
139:
135:
128:
124:
119:
114:
107:
88:
81:
80:
75:
71:
64:
63:
57:
48:
39:
33:
30:
28:
25:
23:
20:
18:
15:
538:מחשב הפסיעות
504:
416:
413:File history
312:
280:World War II
275:
267:
263:
244:
234:
232:
161:
132:
117:
87:You can help
77:
45:
22:File history
109:Description
481:File usage
454:775 × 293
430:Dimensions
179:Permission
130:mechanism.
27:File usage
462:Chetvorno
427:Thumbnail
424:Date/Time
382:inception
372:inception
198:Licensing
118:English:
53:image/png
337:Captions
456:(93 KB)
441:current
436:Comment
361:depicts
341:English
101:Summary
49:
171:Author
155:Source
326:false
323:false
215:false
212:false
433:User
397:1904
276:does
149:1904
145:Date
17:File
317:PDM
268:not
264:not
298:).
247:.
282:(
186:)
182:(
140:.
89:.
55:)
