Fork, tuning
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1998.0249.001
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- OBJECT TYPE
- DEMONSTRATION/ADJUSTABLE PITCH
- DATE
- 1880–1895
- ARTIFACT NUMBER
- 1998.0249.001
- MANUFACTURER
- Koenig, Rudolph
- MODEL
- UT 1- MI 1
- LOCATION
- Paris, France
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- ALL METAL CONSTRUCTION.
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 3.5 cm
- Width
- 3.5 cm
- Height
- 36.5 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Physics
- Category
- Demonstration & teaching equipment
- Sub-Category
- N/A
Manufacturer
- AKA
- Koenig
- Country
- France
- State/Province
- Unknown
- City
- Paris
Context
- Country
- Canada
- State/Province
- Ontario
- Period
- PROBABLY USED C. 1890S+
- Canada
-
PART OF A COLLECTION OF PHYSICS LABORATORY AND CLASSROOM DEMONSTRATION APPARATUS FROM MCMASTER UNIVERSITY. FOUNDED IN 1887 MCMASTER WAS ORIGINALLY A BAPTIST INSTITUTION, AND WAS LOCATED IN TORONTO. IN 1930 THE UNIVERSITY AND ITS STUDENT POPULATION OF 500 WAS MOVED TOHAMILTON, ONT. (REF. 1) - Function
-
WHEN STRUCK, TO AUDIBLY REPRODUCE A NOTE OF THE SELECTED PITCH. - Technical
-
EXAMPLE OF AN ADJUSTABLE PITCH TUNING FORK, MADE BY RUDOLPH KOENIG OF PARIS (1832-1901). SLIDING BLOCKS ON BOTH FORKS PERMITTED A RANGE OF TONES AND FREQUENCIES FROM UT 1 (BASS C) TO MI 1 (BASS E), INDICATES THE VIBRATIONS PER SECOND (VS), AND THE ACCURACY OF TUNING (+/- RANGE). POSTS AT EACH END ALLOW FOR CONNECTION TO ELECTRICAL APPARATUS. (REF. 2) THE RATIO MARKINGS REFER TO MUSICAL INTERVALS, AND WERE COMMON ON TUNING FORKS USED TO CREATE LISSAJOUS FIGURES OR FOR GRAPHICAL REPRESENTATION. (REF. 4) - Area Notes
-
Unknown
Details
- Markings
- " UT 1- MI-1/ RK " incised at base of fork. Both prongs of fork are incised on outside surface: one prong incised (top to bottom) "VS", "1:1/ UT1/ 128", "80:81/ 129,6", "24:25/ 133,3", "15:16/ 136,5", "9:10/ 142,2", "8:9/ RE1/ 144", "7:8/ 146,3", "6:7/ 149,3", "5:6/ 153,6" and "4:5/ M11/ 160"; opposite prong "VS", "1:1/ UT1", "80:81", "24:25", "15:16", "9:10", "8:9", "7:8", "6:7", "5:6" and "4:5".
- Missing
- APPEARS COMPLETE. From CA of 12/12/2001 by Matthew Bruce: No - appears complete
- Finish
- BRIGHT LACQUERED SLIDING BARS AND ADJUSTMENT FITTINGS.
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Koenig, Rudolph, Fork, tuning, circa 1880–1895, Artifact no. 1998.0249, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1998.0249.001/
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