Report on Machinery and Processes of the Industrial Arts and Apparatus of the Exact SciencesVan Nostrand, 1869 - 669 páginas |
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Página 11
... furnished by Mr. Whitworth in a little contrivance for measuring , or rather for comparing , lengths , which is exposed by him in the annex in which his heavy guns are exhibited . This apparatus is designed to test the truth of a solid ...
... furnished by Mr. Whitworth in a little contrivance for measuring , or rather for comparing , lengths , which is exposed by him in the annex in which his heavy guns are exhibited . This apparatus is designed to test the truth of a solid ...
Página 17
... furnished by the discovery of indium , brought to light in the study of the solar spectrum . Such dis- coveries may be called incidental . The early history of chemistry is full of them , and among the most important of the number may ...
... furnished by the discovery of indium , brought to light in the study of the solar spectrum . Such dis- coveries may be called incidental . The early history of chemistry is full of them , and among the most important of the number may ...
Página 20
... furnished a large variety of illustrations . To illustrate the distinction by example , the original sewing machine may justly claim a place in the first group ; but its various modifications , its adaptations to embroidery , to harness ...
... furnished a large variety of illustrations . To illustrate the distinction by example , the original sewing machine may justly claim a place in the first group ; but its various modifications , its adaptations to embroidery , to harness ...
Página 25
... furnish motive power should receive the first atten- tion . The steam - engine , in its several forms fixed and movable , with the exception of the rotary engines , having been made the subject of examination and report by another ...
... furnish motive power should receive the first atten- tion . The steam - engine , in its several forms fixed and movable , with the exception of the rotary engines , having been made the subject of examination and report by another ...
Página 48
... furnished by a reservoir of condensed air , provided very great care be taken to prevent leakage . The experience of the engineers engaged in constructing the tunnel under the Alps shows that air under heavy pressure may be kept for ...
... furnished by a reservoir of condensed air , provided very great care be taken to prevent leakage . The experience of the engineers engaged in constructing the tunnel under the Alps shows that air under heavy pressure may be kept for ...
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Términos y frases comunes
advantage amount angle apparatus applied armature atmosphere axis Bessemer process boiler calories carried cent centimetres circumference compression construction contrivance crank cubic metres cylinder diameter direction discharge disk distance effect electric employed engine equal exhibited experiments Exposition extremity feet force furnace furnished glass half heat horizontal horse-power hundred hydraulic hydraulic head illustrated inches increased instrument introduced invention inventor iron kilograms kilometres latent heat length lever light light-houses liquid machine manufacture means mechanical ment Messrs metal metres millimetres mode motion movable types movement necessary object observed operation ordinary Paris passes piston plate position pounds practical present pressure prism produced pulley pump purpose refrigerator reservoir revolution roller rotary engine rotation screw sextant shaft side Siemens space spherometer steam steam-engine steel surface telescope temperature tion tonometer tube turbine turn valve vapor velocity vertical vessel weight wheel Wicklow Head
Pasajes populares
Página 31 - B with the sound velocity where y is the ratio of the specific heat at constant pressure to the specific heat at constant volume, and p is the gas pressure.