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World History Archive July 2013

EN_01089603_9256
World History Archive July 2013
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    Making print for private purpose, storage in computer memory, no distribution rights.

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    Strictly for editorial, single use on a personal (nonprofit) web site, Internet portal, social media (Facebook, Instagram etc.), blog for 1 year. Not for resale. Maximum picture size 2000px.

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    Strictly for editorial, single use on a commercial web site, Internet portal, social media (Facebook, Instagram etc.), blog for 1 year. Not for resale. Maximum picture size 2000px.

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    Strictly for editorial, single use, inside of newspaper, magazine, book (including digital version), one edition, one single country. Not for resale.

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James Prescott Joule's (1818-89) apparatus for determining mechanical equivalent of heat. Vessel of water, oil or mercury contains vanes attached to spindle. Cord attached to drums wound round spindle. Weight descending against scale rotates vanes. Raising and lowering weights raises temperature of fluid. From rise in temperature and distance travelled energy used can be calculated. Engraving 1881.
2013-07-09
World History Archive/East News
Image Asset Management
0460001834
1,53MB
51cm x 31cm by 300dpi
1881, AGAINST, AND, APPARATUS, ATTACHED, BE, CALCULATED, CAN, CONTAINS, CORD, DESCENDING, DETERMINING, DISTANCE, DRUMS, ENERGY, ENGLLISH, ENGRAVING, EQUIVALENT, FLUID, FOR, FROM, HEAT, IN, JAMES, JOULE, LOWERING, MECHANICAL, MERCURY, OF, OIL, OR, PHYSICS, PRESCOTT, RAISES, RAISING, RISE, ROTATES, ROUND, SCALE, SCIENCE, SPINDLE, TEMPERATURE, THERMODYNAMICS, TO, TRAVELLED, USED, VANES, VESSEL, WATER, WEIGHT, WEIGHTS, WOUND,