Chronograph
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1966.0612.001
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- OBJECT TYPE
- TWO-PEN DRUM RECORDER
- DATE
- 1900
- ARTIFACT NUMBER
- 1966.0612.001
- MANUFACTURER
- NALDER BROS. & CO.
- MODEL
- Unknown
- LOCATION
- London, England
More Information
General Information
- Serial #
- 4359
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- METAL INSTRUMENT BASE/ BRASS & STEEL? WORKING PARTS/ WOOD PARTS/ SYNTHETIC PARTS/ WOOD FRAMED INSTRUMENT COVER WITH GLAZED SIDES & TOP/ WOOD CABINET WITH METAL HARDWARE
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 111.8 cm
- Width
- 55.8 cm
- Height
- 154.5 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Horology
- Category
- Timing devices
- Sub-Category
- N/A
Manufacturer
- AKA
- NALDER
- Country
- England
- State/Province
- Unknown
- City
- London
Context
- Country
- Canada
- State/Province
- Unknown
- Period
- 20TH CENTURY
- Canada
-
BRITISH MADE INSTRUMENT USED IN CANADA, POSSIBLY AT DOMINION OBSERVATORY IN OTTAWA, WHICH EXISTED FROM 1905 TO 1970 (RCB 13.9.96) - Function
-
INSTRUMENT USED TO RECORD TIME DURATION OF ASTRONOMICAL EVENTS. IT RECEIVED TWO TIME SIGNALS WHICH WERE RECORDED ON PAPER COVERED DRUM. ONE PEN RECORDED TIME EACH SECOND FROM STANDARD CLOCK & SECOND PEN WAS ACTUATED BY TAPPING OF KEY BY OBSERVER OF EVENT BEING TIMED. THIS EXAMPLE WAS PROBABLY USED WITH TRANSIT TELESCOPE: ONE SIGNAL CAME FROM CLOCK, OTHER FROM OBSERVER WATCHING STARS. - Technical
-
BRITISH MAKER NALDER BROS. FL. AT 16 RED LION ST., CLERKENWELL, LONDON, E.C. IN 1894/ CHRONOGRAPH WAS DEVELOPED BETWEEN 1828 & 1850 IN GERMANY & U.S. PRIMARILY TO REDUCE INDIVIDUAL DIFFERENCES IN PERCEPTION OF TIME WHICH DISTORTED ASTRONOMICAL OBSERVATIONS. IT WAS ALSO USED IN SEISMOLOGY & IN OTHER AREAS. - Area Notes
-
Unknown
Details
- Markings
- INCISED BLACK LETTERING ON MECHANISM CASING READS "NALDER BROS. & CO./ LONDON/ No. 4359"
- Missing
- WEIGHTS, PENS From CA of 09/24/1997 by Kevin Machan: Undetermined
- Finish
- DARK GREEN ENAMEL PAINTED INSTRUMENT BASE & PARTS/ LACQUERED BRASS PARTS/ BLACK PAINTED PARTS/ METALLIC PARTS/ BLACK SYNTHETIC/ BROWN STAINED & VARNISHED WOOD/ COLOURLESS & TRANSPARENT GLASS
- Decoration
- INSET PANELS OF SAME WOOD WITH MOULDED EDGING ON FRONT, BACK, & SIDES OF CABINET
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
NALDER BROS. & CO., Chronograph, circa 1900, Artifact no. 1966.0612, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/1966.0612.001/
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