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103:"From the time of Saxton's coming to Philadelphia we were intimate and warm friends until his death. The first summer vacation of Lukens' after Saxton commenced to work with him, his shop was not closed as usual, but Saxton was left in charge, "to tinker," as Lukens said, with anything he liked. He planned, and was making for himself a cane gun. My elder brother and myself each concluded to make one ... I was in his shop beside Saxton doing that little job, when Lukens, who had unexpectedly returned from his summer trip, came in. He looked at, and asked what I was doing. On examining the plan, he suggested some slight alterations. Saxton showed his gun that was completed. He had worked out the plan himself and Lukens was greatly pleased with its simplicity."
120:, in 1828 and resided there nine years. For most of his stay he was employed by the Adelaide Gallery of Practical Science, a museum for the public that demonstrated new inventions and scientific principles. While working for the gallery, Saxton invented the magneto-electric machine, an apparatus for measuring the velocity of vessels, a device for measuring the height of water in a steam boiler, the
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and a portion of the State Armory building. It was taken on a sheet of polished metal. A seidlitz powder box with a few flakes of iodine answered for a coating box, while a cigar box and burning glass were improvised for a camera. An iron spoon served to heat the mercury to develop the plate. The
160:, first as superintended the making of machinery and then as curator of weights and measures, accurate sets of which were furnished to national and State governments. Among his inventions of this time may be mentioned a mirror
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59:, and first entered as an apprentice to a watchmaker when he was twelve years old. Saxon was the son of a Mr. Saxton, a mechanic, and Elizabeth Ashbaugh, daughter of John Ashbaugh Sr.
358:"Pioneer period and pioneer people of Fairfield County, Ohio : Wiseman, C. M. L. (Charles Milton Lewis), 1829-1904 : Free Download, Borrow, and Streaming"
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to supply him with better photographic plates. Cornelius took up an interest in photography and opened one of the first daguerreotype studios in May 1840.
501:
The
Origins of American Photography: From Daguerreotype to Dry-Plate, 1839-1885: The Hallmark Photographic Collection at The Nelson-Atkins Museum of Art
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picture which was produced is owned by the
Historical Society of Pennsylvania. The first reference to the photograph appeared on 24 October 1839 in the
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The Public
Schools of Philadelphia: Historical, Biographical, Statistical by John Trevor Custis, Burk & McFetridge Co. Publisher, 1897, Pg. 132
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and compensating pendulum for clocks. He also helped Lukens with the construction of a clock for the newly rebuilt steeple of the
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In the fall of 1839, either around
September 25 or October 16, Saxton took what is one of the oldest surviving photographs (
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From 1843 until his death, three decades later, he was superintendent of weights and measures for the
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The image was taken from the window of his office at the
Philadelphia Mint and captured the cupola of
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After almost a decade abroad, Saxton returned to
Philadelphia in 1837 and accepted a position at the
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Smithsonian
Institution Press, 1978, Smithsonian Studies in History and Technology, Number 40:
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Rung, Albert M. (July 1940). "Joseph Saxton: Pennsylvania
Inventor and Pioneer Photographer".
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183:) taken in the U.S. There were earlier photographs taken in the United States by the
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taken by Saxton in 1839 is one of the oldest surviving photographs taken in the
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435:"Record Unit 7056, Saxton, Joseph, 1799-1873, Joseph Saxton Papers, 1821-1856"
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United States
Standards of Weights and Measures, Their Creation and Creators
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process during spring 1839 and daguerreotypes in
September of that year.
27:(March 22, 1799 – October 26, 1873) was an American inventor, watchmaker,
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In 1884, an anecdote about Saxton's apprenticeship was published by
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291:"Joseph Saxton: Pennsylvania Inventor and Pioneer Photographer"
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After Saxton took his first experimental images, he approached
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by the Franklin Institute for the invention of his reflecting
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Looking to further his education, Joseph Saxton traveled to
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Robert Cornelius - portraits from the dawn of Photography
486:
Robert Cornelius - portraits from the dawn of Photography
409:
Pennsylvania History: A Journal of Mid-Atlantic Studies
295:
Pennsylvania History: A Journal of Mid-Atlantic Studies
334:"Joseph Saxton | The National Inventors Hall of Fame"
939:
Dual-rotor permanent magnet induction motor (DRPMIM)
164:
for comparing standards of length and a new form of
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579:Encyclopedia of Nineteenth-Century Photography
676:
596:
576:Ambrose, Jenny (2008). Hannavy, John (ed.).
526:"Who Made the First Photographic Portrait?"
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72:In 1817, aged 18, Joseph Saxton moved to
135:
15:
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384:Seller, George Escol (August 9, 1884).
255:United States Coast and Geodetic Survey
1319:
643:Superintendent of Weights and Measures
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99:, who worked with him in Lukens' shop:
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582:. New York: Routledge. p. 1247.
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239:John Scott Legacy Medal and Premium
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439:Smithsonian Institution Archives
1342:19th-century American inventors
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530:American Journal of Photography
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67:
1068:Timeline of the electric motor
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451:
427:
400:
386:"Early engineering reminisces"
350:
282:
227:American Philosophical Society
1:
853:Dahlander pole changing motor
276:
237:. In 1843 he was awarded the
209:
46:
618:. National Portrait Gallery.
488:. National Portrait Gallery.
464:National Academy of Sciences
235:National Academy of Sciences
7:
897:Brushless DC electric motor
248:
10:
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216:United States Coast Survey
150:Philadelphia, Pennsylvania
107:
51:Joseph Saxton was born in
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1101:
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987:
914:Switched reluctance (SRM)
892:Brushed DC electric motor
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698:
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636:Ferdinand Rudolph Hassler
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152:, taken by Joseph Saxton.
62:
1337:People from Philadelphia
1102:Experimental, futuristic
1019:Variable-frequency drive
524:Draper, John W. (1858).
289:Rung, Albert M. (1940).
31:, and photographer from
20:Joseph Saxton (ca. 1850)
1119:Superconducting machine
757:Coil winding technology
225:He was a member of the
222:, on October 26, 1873.
653:Julius Erasmus Hilgard
271:, by Arthur H. Frazier
153:
105:
21:
1160:Power-to-weight ratio
1024:Direct torque control
197:United States Gazette
168:; a self-registering
139:
101:
19:
1155:Open-loop controller
1048:Ward Leonard control
772:DC injection braking
97:George Escol Sellers
1058:History, education,
704:Alternating current
628:Government offices
192:Central High School
146:Central High School
1221:Dolivo-Dobrovolsky
1180:Voltage controller
1135:Blocked-rotor test
1073:Ball bearing motor
1043:Motor soft starter
997:AC-to-AC converter
858:Wound-rotor (WRIM)
820:Electric generator
614:Stapp, W. (1983).
499:Keith, D. (2007).
484:Stapp, W. (1983).
390:American Machinist
231:Franklin Institute
172:, and an immersed
154:
82:marine chronometer
22:
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1313:
1150:Open-circuit test
989:Motor controllers
870:Synchronous motor
692:Electric machines
659:
658:
650:Succeeded by
503:. Nelson Atkins.
158:Philadelphia Mint
90:Independence Hall
1349:
1165:Two-phase system
1145:Electromagnetism
1093:Mouse mill motor
1060:recreational use
934:Permanent magnet
863:Linear induction
716:Permanent magnet
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204:Robert Cornelius
132:Return to the US
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41:United States
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25:Joseph Saxton
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126:fountain pen
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74:Philadelphia
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68:Philadelphia
57:Pennsylvania
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37:daguerrotype
33:Pennsylvania
24:
23:
1332:1873 deaths
1327:1799 births
1083:Lynch motor
848:Shaded-pole
734:accessories
128:prototype.
1321:Categories
979:Axial flux
969:Ultrasonic
944:Servomotor
924:Doubly fed
919:Reluctance
815:Alternator
807:Generators
777:Field coil
762:Commutator
722:commutated
720:SC - Self-
647:1843–1873
470:2019-01-04
444:2019-01-04
367:2020-08-17
343:2019-01-04
277:References
210:Later life
174:hydrometer
170:tide gauge
162:comparator
124:, and the
122:riflescope
86:escapement
53:Huntingdon
47:Early life
1296:Steinmetz
1211:Davenport
1009:Amplidyne
909:Universal
887:Homopolar
875:Repulsion
787:Slip ring
547:Beck, B.
536:(1): 2–6.
307:0031-4528
243:pyrometer
29:machinist
1301:Sturgeon
1231:Ferraris
1216:Davidson
1038:Metadyne
954:Traction
902:Unipolar
882:DC motor
838:AC motor
742:Armature
421:27766416
396:(32): 6.
315:27766416
249:See also
233:and the
185:calotype
140:An 1839
1291:Sprague
1286:Siemens
1261:Maxwell
1226:Faraday
1175:Starter
1114:Railgun
1109:Coilgun
949:Stepper
797:Winding
118:England
108:England
1281:Saxton
1266:Ørsted
1251:Jedlik
1246:Jacobi
1236:Gramme
1201:Barlow
1189:People
1014:Drives
929:Linear
830:Motors
792:Stator
586:
554:May 6,
507:
419:
313:
305:
229:, the
114:London
63:Career
1306:Tesla
1276:Pixii
1241:Henry
1206:Botto
1196:Arago
782:Rotor
752:Brush
714:PM -
708:DC -
702:AC -
417:JSTOR
311:JSTOR
1271:Park
1256:Lenz
974:TEFC
584:ISBN
556:2023
505:ISBN
303:ISSN
35:. A
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148:in
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