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High Speed Indicator - L. S. Starrett, No. 104, circa 1910 Object Reg. No: ST 044578

Summary:
High Speed indicator No. 104 manufactured by the L.S. Starrett Co., USA. Includes box and promotional leaflet. Used in the workshop at Melbourne Observatory.

Used to measure the rotational speed of a machine such as a lathe.

This type of indicator was sold for USD $1.00 in 1913 with a pasteboard box. Nickel plated finish.
Acquisition Information:
Donation from Melbourne Observatory
Discipline: Technology
Dimensions: 13 cm (Height), 5.5 cm (Width), 1.5 cm (Length)
Dimension Comment: BOX L5.5 X W14.5 X H2CM

More information

Tagged with: measurement, observatories, speed
Themes this item is part of: Melbourne Observatory Collection, Science & Measurement Collection, Working Life & Trades Collection, Positional Astronomy at Melbourne Observatory, Weights & Measures at Melbourne Observatory, Melbourne Observatory & Standard Time in Victoria, Astrographic Catalogue, Transits of Venus, 1874 & 1882, Buildings at Melbourne Observatory, Star Observations & Personal Equation, Meteorology at Melbourne Observatory, 1863-1908, Melbourne Observatory, 1863-1944, Geodetic Survey of Victoria, 1858-1872
Primary Classification: PHYSICAL SCIENCES
Secondary Classification: Mechanics
Tertiary Classification: measuring equipment
Manufacturer: L.S. Starrett Co, Athol, Massachusetts, United States of America
User: Melbourne Observatory, South Yarra, Victoria, Australia

Comments

Bill Haines Posted on 22 May 2010 4:41 PM
The Starrett & Co speed indicator Reg No ST 044578
can you advise me the approximate date of manufacture. I have recently aquired a similar devise. Thank You
Bill Haines

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