<i>Mechanical Powers according to the latest Improvements, including / White’s Patent Concentric Pulley</i>
date: label: date made
content: ca 1790
notes: label: Description
content: This engraving illustrated the “System of Mechanics” article in the second volume of William Henry Hall, <i>The New Royal Encyclopaedia, or Complete Modern Dictionary of Arts and Sciences</i> (London, 1788). The “Blake delin.” signature in the lower left probably refers to William Blake (1757-1827), a noted English poet, painter, and printmaker. The “Lodge sculp.” signature in the lower right is probably that of John Lodge, a London engraver.
label: Description
content: Ref: “Of a System of Concentric Pulleys, Already Known as White’s Patent Pulleys,” in James White, <i>A New Century of Inventions</i> (Manchester, 1822), pp. 33-42.
label: Location
content: Currently not on view
place: label: place made
content: United Kingdom: England, London
topic: label: Subject
content: Mechanics
setName: label: See more items in
content: Medicine and Science: Physical Sciences
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content: Science & Mathematics
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content: Prints from the Physical Sciences Collection
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PH.330437
label: catalog number
content: 330437
label: accession number
content: 290940
objectType: label: Object Name
content: print
physicalDescription: label: Physical Description
content: paper (overall material)
label: Measurements
content: overall: 15 in x 9 in; 38.1 cm x 22.86 cm
label: Measurements
content: overall: 15 1/16 in x 9 1/8 in; 38.25875 cm x 23.1775 cm