Framed Print : Joules apparatus for determining the mechanical equivalent of heat, 1881
Framed Photos from Heritage Images
Joules apparatus for determining the mechanical equivalent of heat, 1881
Joules apparatus for determining the mechanical equivalent of heat, 1872. A vessel of water, oil or mercury encloses vanes attached to a spindle. Cord is wound round the cylinder and drum. The weight descending against the scale rotates the spindle and vanes. Raising and lowering the weight raises the temperature of the fluid. From the rise in temperature and the distance travelled, the energy used can be calculated. British physicist James Prescott Joule (1818-1889) determined the mechanical equivalent of heat. The unit of energy called the joule is named after him
Media ID 14863605
© Oxford Science Archive / Heritage-Images
Energy Experiment Heat James Joule James Prescott James Prescott Joule Joule Liquid Measurement Mechanical Oxford Science Archive Physics Temperature Weight
14"x12" (38x32cm) Modern Frame
Wood effect frame, card mounted, 10x8 archival quality photo print. Overall outside dimensions 14x12 inches (38x32cm). Environmentally and ozone friendly, 40mm wide x 15mm Polycore® moulding has the look of real wood, is durable and light and easy to hang. Biodegradable and made with non-chlorinated gases (no toxic fumes) it is efficient; producing 100 tons of polystyrene can save 300 tons of trees! Prints are glazed with lightweight, shatterproof, optical clarity acrylic (providing the same general protection from the environment as glass). The back is stapled hardboard with a sawtooth hanger attached. Note: To minimise original artwork cropping, for optimum layout, and to ensure print is secure, the visible print may be marginally smaller
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Estimated Image Size (if not cropped) is 24.4cm x 15.1cm (9.6" x 5.9")
Estimated Product Size is 37.6cm x 32.5cm (14.8" x 12.8")
These are individually made so all sizes are approximate
Artwork printed orientated as per the preview above, with landscape (horizontal) orientation to match the source image.
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