Sir Howard Grubb 1844 - 1931

occupation:
Mathematical instrument maker, Optical instrument maker
Nationality:
Irish; British

active 1868-1909/14, optical & mathematical instrument maker, Irish; British

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One of two cases for a three prism spectroscope by Howard Grubb

Model of a cylindroid, 1895-1900

Twin reflecting and refracting telescopes on observatory mounting, 1885

Lancaster's Patent Watch Camera

Lens.

6-inch aperture for refracting telescope object glass, in wooden case

Set of eyepieces, for 6-inch aperture refracting telescope, in mahogany box

Refracting telescope with observatory mounting, 1884

Grubb Sector microscope

Accessories for Solar Spectroscope

Two 6-inch aperture refracting telescope extension tubes, with mahogany case

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