Compass
Use this image
Can I reuse this image without permission? Yes
Object images on the Ingenium Collection’s portal have the following Creative Commons license:
Copyright Ingenium / CC BY-NC-ND (Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
ATTRIBUTE THIS IMAGE
Ingenium,
1987.2121.009
Permalink:
Ingenium is releasing this image under the Creative Commons licensing framework, and encourages downloading and reuse for non-commercial purposes. Please acknowledge Ingenium and cite the artifact number.
DOWNLOAD IMAGEPURCHASE THIS IMAGE
This image is free for non-commercial use.
For commercial use, please consult our Reproduction Fees and contact us to purchase the image.
- OBJECT TYPE
- trough
- DATE
- Unknown
- ARTIFACT NUMBER
- 1987.2121.009
- MANUFACTURER
- Suss Nandor R.T.
- MODEL
- Unknown
- LOCATION
- Budapest, Hungary
More Information
General Information
- Serial #
- N/A
- Part Number
- 9
- Total Parts
- 10
- AKA
- N/A
- Patents
- N/A
- General Description
- PRIMARILY METAL CONSTRUCTION. GLASS OPTICS & THERMOMETER ON .1. SOME SYNTHETIC COMPONENT PIECES. .2 FITTED WITH GLASS SUNSHADE OVER CIRCLE & 2 GLASS LEVEL VIALS; HORIZONTAL CIRCLE DIVIDED ON SILVER. CASES FOR .1-.2, .8-.10 MADE OF WOOD
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 2.8 cm
- Width
- 2.0 cm
- Height
- 11.4 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Physics
- Category
- Geophysics
- Sub-Category
- N/A
Manufacturer
- AKA
- Suss
- Country
- Hungary
- State/Province
- Unknown
- City
- Budapest
Context
- Country
- Canada
- State/Province
- Ontario
- Period
- THIS INSTRUMENT USED BETWEEN 1928-1935. THIS TYPE OF INSTRUMENT USED LATE 1920S- EARLY 1930S (REF.1, P.167)
- Canada
-
ONE OF TWO EOTVOS-TYPE TORSION BALANCES PURCHASED FOR JOINT USE OF DOMINION OBSERVATORY & GEOLOGICAL SURVEY. THESE INSTRUMENTS WERE AMONG THE FIRST IN CANADA. A.H. MILLER (1886-1962), USED THESE BALANCES, AND OTHER EQ. IN SOME OF THE EARLIEST GRAVITY SURVEYS & ISOSTACY STUDIES CONDUCTED IN CANADA (REF.2) SEE ALSO 872131 - Function
-
TO MEASURE THE GRADIENT OF GRAVITY AT A SPECIFIC POINT OR LOCATION, AND THE CURVATURE OF THE EQUIPOTENTIAL SURFACE. - Technical
-
DEV'T BY HUNGARIAN BARON ROLAND VON EOTVOS THE TORSION BALANCE BECAME ONE OF THE MAIN INSTS. USED IN GEOPHYSICAL PROSPECTING IN L.1920S-E.1930S. THE BALANCE CONSISTS OF A HORIZONTAL BEAM WITH A MASS AT EITHER END (ONE ON THE BEAM, ONE SUSPENDED FROM IT), THE WHOLE SYSTEM SUSPENDED BY A TORSION FIBRE. THE BEAM WAS SET IN A PARTICULAR AZIMUTH, RELEASED, AND THE TENSION IN THE SUSPENDING FIBRE NECESSARY TO PRODUCE EQUILIBRIUM NOTED. THE BEAM WAS THEN RESET AND MEASUREMENTS REPEATED, THROUGH A SEQUENCE OF 5 AZIMUTHS. IT TOOK APPROX. 1 HOUR FOR THE BEAM TO COME TO REST. BALANCES HAVING 2 BEAMS, LIKE 872121, CUT TIME IN HALF, REQUIRING ONLY 3 SETS OF OBSERVATIONS. (Ref.1, p.167) - Area Notes
-
Unknown
Details
- Markings
- Trough compass, in wooden case .9PT: SN " 36867 " stamped in top of wooden case. SN " 36867 " stamped in one side of casing. " N " incised in top, and crudely scratched in adjoining end panel.
- Missing
- From CA of 02/07/2002 by David Daley: Yes - empty compartment in small trunk suggests missing components
- Finish
- Unknown
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Suss Nandor R.T., Compass, Unknown Date, Artifact no. 1987.2121, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/item/1987.2121.009/
FEEDBACK
Submit a question or comment about this artifact.
More Like This
![...](https://files.ingeniumcanada.org/items/coll/52/703/1987-2121-003-aa-cs.jpeg)
![No image available.](https://files.ingeniumcanada.org/static/No_image_sq.png)
![No image available.](https://files.ingeniumcanada.org/static/No_image_sq.png)
![...](https://files.ingeniumcanada.org/items/coll/52/702/1987-2121-006-aa-cs.jpeg)
![No image available.](https://files.ingeniumcanada.org/static/No_image_sq.png)
![...](https://files.ingeniumcanada.org/items/coll/52/701/1987-2121-008-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/52/704/1987-2121-002-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/52/715/1987-2121-001-aa-cs.jpeg)
![No image available.](https://files.ingeniumcanada.org/static/No_image_sq.png)
![...](https://files.ingeniumcanada.org/items/coll/52/578/1987-2166-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/52/684/1987-2131-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/284/516/1987-2125-002-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/52/697/1987-2123-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/52/628/1987-2136-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/52/693/1987-2125-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/52/695/1987-2124-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/52/698/1987-2122-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/60/724/1990-0282-004-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/107/419/1974-0147-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/60/725/1990-0282-003-aa-cs.jpeg)
![No image available.](https://files.ingeniumcanada.org/static/No_image_sq.png)
![...](https://files.ingeniumcanada.org/items/coll/90/428/1968-0932-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/64/552/1992-1570-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/49/304/1985-0671-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/44/240/1982-0239-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/114/991/1978-0724-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/113/615/1977-0295-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/52/696/1987-2123-002-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/75/610/1997-0508-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/57/110/1988-1129-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/60/728/1990-0282-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/67/745/1993-0234-004-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/67/744/1993-0234-005-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/67/743/1993-0234-006-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/52/720/1987-2120-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/72/404/1995-0434-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/161/715/1970-1533-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/114/990/1978-0725-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/52/745/1987-2108-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/67/747/1993-0234-002-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/67/746/1993-0234-003-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/51/601/1986-0192-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/309/677/1974-0107-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/75/531/1997-0523-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/107/420/1974-0146-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/52/688/1987-2128-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/82/849/2002-0396-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/92/351/1968-0318-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/91/355/1968-0601-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/49/478/1985-0569-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/67/757/1993-0234-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/57/179/1988-1079-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/107/477/1974-0118-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/97/776/1970-0679-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/107/464/1974-0124-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/72/289/1995-0511-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/82/885/2002-0389-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/107/465/1974-0123-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/92/117/1968-0381-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/44/250/1982-0236-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/52/649/1987-2133-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/52/687/1987-2129-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/112/624/1977-0733-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/52/685/1987-2130-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/52/691/1987-2126-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/115/009/1978-0718-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/115/038/1978-0715-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/86/698/1966-0029-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/54/064/1987-1231-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/161/722/1970-1534-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/309/684/1985-0572-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/110/426/1975-0064-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/168/980/2009-0167-004-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/75/537/1997-0522-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/197/972/2013-0059-010-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/57/174/1988-1084-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/52/629/1987-2135-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/114/998/1978-0722-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/107/364/1974-0158-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/92/247/1968-0330-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/57/167/1988-1091-001-aa-cs.jpeg)
![No image available.](https://files.ingeniumcanada.org/static/No_image_sq.png)
![...](https://files.ingeniumcanada.org/items/coll/76/779/1997-0129-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/101/327/1971-0172-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/91/187/1968-0673-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/79/069/1998-0010-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/52/670/1987-2131-006-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/117/667/1979-0299-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/57/169/1988-1089-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/54/928/1987-0842-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/168/983/2009-0168-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/168/973/2009-0167-001-aa-cs.jpeg)
![No image available.](https://files.ingeniumcanada.org/static/No_image_sq.png)
![...](https://files.ingeniumcanada.org/items/coll/76/746/1997-0136-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/49/476/1985-0570-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/107/116/1974-0296-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/49/305/1985-0670-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/92/848/1968-0114-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/197/971/2013-0059-009-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/60/751/1990-0278-001-aa-cs.jpeg)