Telescope
date: label: date made
content: ca 1867
name: label: maker
content: Browning, John
notes: label: Description
content: The introduction of silvered-glass mirrors—easier to figure and more durable than solid metal ones—made reflecting telescopes popular, especially with amateur astronomers.
label: Description
content: This example is marked "John Browing London." It has a simple alt-azimuth mount. The aperture is 4.25 inches; the tube is 38.5 inches long.
label: Description
content: John Browning was a young instrument maker when he issued <i>A Plea for Reflectors, Being a Description of the New Astronomical Telescopes with Silvered-Glass Specula</i> (London, 1867). He offered telescopes with mirrors made by the retired schoolteacher, George Henry With.
label: Location
content: Currently not on view
place: label: place made
content: United Kingdom: England, London
setName: label: See more items in
content: Medicine and Science: Physical Sciences
label: See more items in
content: Science & Mathematics
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PH.327566
label: accession number
content: 267874
label: catalog number
content: 327566
objectType: label: Object Name
content: telescope
physicalDescription: label: Measurements
content: overall: 21 in x 39 1/2 in x 15 in; 53.34 cm x 100.33 cm x 38.1 cm