US35498A - Improvement in school-globes - Google Patents
Improvement in school-globes Download PDFInfo
- Publication number
- US35498A US35498A US35498DA US35498A US 35498 A US35498 A US 35498A US 35498D A US35498D A US 35498DA US 35498 A US35498 A US 35498A
- Authority
- US
- United States
- Prior art keywords
- globe
- globes
- school
- improvement
- leather
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000004744 fabric Substances 0.000 description 14
- 239000004753 textile Substances 0.000 description 14
- 239000010985 leather Substances 0.000 description 12
- 239000011505 plaster Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 6
- 239000003292 glue Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 210000003414 Extremities Anatomy 0.000 description 2
- 241000276489 Merlangius merlangus Species 0.000 description 2
- 229940035295 Ting Drugs 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
Images
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B27/00—Planetaria; Globes
- G09B27/08—Globes
Definitions
- Figure l represents a central section of a globe made of muslin.
- Fig. 2 is asimilar section of a globe made of leather.
- Fig. 3 is a similar section of a globe made ofmuslin strengthenedwith wire.
- This invention consists in the employment or use of textile fabrics made either of mineral, vegetable, or animal substances, or such textile fabrics combined with each other or with leather, and ⁇ strengthened, if necessary, by means of metal wire or other suitable material, for the purpose of manufacturing terrestrial or celestial or terra-celestial globes.
- Terrestrial or celestial globes such as are commonly used are made of plaster and paper in the following manner: Awooden axis is l l provided somewhatpless than theintended di- ⁇ ameter of the globe, and into the extremities iron wires are driven for poles. On this axis are applied two hemispherical caps formed onv a spherical wooden mold by pasting several sheets of paper on the mold one over the other to about the thickness of a fty-cent piece and cutting them through the middle and slipping them off the mold. They are now applied to the poles of the axis, and the two edges are sewed together with pack-thread. The rudiments of the globe thus laid, they proceed to strengthen it and make it regular.
- the two poles are hasped in a metallic semicircle of the size intended, and a plaster made of Whiting, paper, and glue well incorporated together, is daubed all over the surface.
- a plaster made of Whiting, paper, and glue well incorporated together is daubed all over the surface.
- the ball is then set to dry, after which it is again setV in the semicircle and fresh plaster applied, and thus they continue to apply fresh composition and to dry it till the ball everywhere accurately touches the semicircle, in which state it is perfectly smooth and regular.
- the next thing is to paste the map on it.
- the map is projected in several gores or gussets, all of which ⁇ join accurately on the surface and cover the whole ball.
- the globe is colored andilluminated, and finally varnished, the better to resist dirt and moisture.
- the materials which I use for my globes are all of such a nature that they will stretch, and that they can be brought into the desired shape by means of suitable molds or dies.
- the globeA is made of several thicknesses or layers of muslin pressed and shaped in two hemispheres, as previously described,
- the globe B, Fig. 2 represents a piece of or combined With and strengthcd, if desired, leather brought in the desired shape to by Wire-netting or leather, substantiallyin the strengthen a globe made of inuslin or other manner and for the purposes described.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Astronomy & Astrophysics (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Toys (AREA)
Description
UNITED STATES PATENT Fries.
JOHN R. AGNEW, OF MERCERSBURG, PENNSYLVANIA.
HVPROVENIENT lIN SCHOOL-GLOBES.
Specification forming part of Letters Patent No. 35,498, dated J une 10, 1862.
To all whom it may concern:
Be it known that I, JoriN R. AGNEw, of Mercersburg, in the county of Franklin and State of PennsylvaniaLhaveinvented a new and Improved School-Globe; and Ido hereby declare that the following is a full, clear, and
exact description of the same, reference being had to the accompanying drawings, forminga part of this specification, in which-.-
Figure l represents a central section of a globe made of muslin. Fig. 2 is asimilar section of a globe made of leather. Fig. 3 is a similar section of a globe made ofmuslin strengthenedwith wire.
Similar letters in the three views denote corresponding parts.
This invention consists in the employment or use of textile fabrics made either of mineral, vegetable, or animal substances, or such textile fabrics combined with each other or with leather, and` strengthened, if necessary, by means of metal wire or other suitable material, for the purpose of manufacturing terrestrial or celestial or terra-celestial globes.
Terrestrial or celestial globes such as are commonly used are made of plaster and paper in the following manner: Awooden axis is l l provided somewhatpless than theintended di-` ameter of the globe, and into the extremities iron wires are driven for poles. On this axis are applied two hemispherical caps formed onv a spherical wooden mold by pasting several sheets of paper on the mold one over the other to about the thickness of a fty-cent piece and cutting them through the middle and slipping them off the mold. They are now applied to the poles of the axis, and the two edges are sewed together with pack-thread. The rudiments of the globe thus laid, they proceed to strengthen it and make it regular. In order to do this, the two poles are hasped in a metallic semicircle of the size intended, and a plaster made of Whiting, paper, and glue well incorporated together, is daubed all over the surface. In proportion' as the plaster' is -applied the ball is turned round in the semicircle, the edge` of whichpares off whatever is superuous and beyond the due dimensions, leaving the rest adhering in places that are short of it. The ball is then set to dry, after which it is again setV in the semicircle and fresh plaster applied, and thus they continue to apply fresh composition and to dry it till the ball everywhere accurately touches the semicircle, in which state it is perfectly smooth and regular. The next thing is to paste the map on it. In order to do this the map is projected in several gores or gussets, all of which `join accurately on the surface and cover the whole ball. When the paper is properly pasted on,the globe is colored andilluminated, and finally varnished, the better to resist dirt and moisture.
It is `obvious that the several operations herein mentioned require much time, and consequently render the globe expensive, and, furthermore, a globe made of plaster is comparatively heavy, and when large it is difficult to handle,and it is liable to break from the slightest accident. For these reasons a globe, particularly a globe of several feet in diameter, has hitherto been considered a luxury, and they are entirely beyond the reach of ordinary public schools, where they would prove to be most beneficial. My globes obviate this difiiculty entirely. They can be made cheap, and they will therefore come within reach of everybody.
The materials which I use for my globes are all of such a nature that they will stretch, and that they can be brought into the desired shape by means of suitable molds or dies. I form the globes in two halves or hemispheres, and I mark on the outside the usual lines of a terrestrial globe and on the inside the lines and constellations of a celestial globe. These two hemispheres I connect so that, they can be opened and closed at pleasure, and a globe of this kind -will now serve the double purpose of a terrestrial and of a celestial globe.
For small globes I use several thicknesses of muslin or other textile fabric secured together by glue or other suitable cement, which at the same time renders said sheets stiff, or one thick! ness of leather pressed by means of suitable dies into the desired shape; but for large globes the textile fabric or leather has to be strengthened -by means of braces of metal wire or other suitable material, or the textile fabric may be stretched over hemispheres made of wire-net ting of sufficient strength for the occasion.
The globeA, Fig. 1, is made of several thicknesses or layers of muslin pressed and shaped in two hemispheres, as previously described,
which may be connected together either perwhat I claim as new, and desire to secure by manently or so that they can be opened and Letters Patent, is-
closed. A globe made of textile fabrics either alone The globe B, Fig. 2, represents a piece of or combined With and strengthcd, if desired, leather brought in the desired shape to by Wire-netting or leather, substantiallyin the strengthen a globe made of inuslin or other manner and for the purposes described.
textile fabric, and the globe C, Fig. 3, is made JOHN R. AGNEW. of one or more sheets of muslin strengthened Vitncsscs: i by wire-netting. J. H. GROVE,
Having thus fully described my invention, JNO. A. HYSsoNG.
Publications (1)
Publication Number | Publication Date |
---|---|
US35498A true US35498A (en) | 1862-06-10 |
Family
ID=2105075
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US35498D Expired - Lifetime US35498A (en) | Improvement in school-globes |
Country Status (1)
Country | Link |
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US (1) | US35498A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6031489A (en) * | 1997-02-01 | 2000-02-29 | Ico Services Ltd. | User terminal positioning system and method employing external signals |
US6118977A (en) * | 1997-09-11 | 2000-09-12 | Lucent Technologies, Inc. | Telecommunications-assisted satellite positioning system |
US6144336A (en) * | 1997-05-19 | 2000-11-07 | Integrated Data Communications, Inc. | System and method to communicate time stamped, 3-axis geo-position data within telecommunication networks |
US20020133769A1 (en) * | 2001-03-15 | 2002-09-19 | Cowles Timothy B. | Circuit and method for test and repair |
US20020159756A1 (en) * | 2001-04-25 | 2002-10-31 | Lee Cheng-Tao Paul | Video data and web page data coexisted compact disk |
-
0
- US US35498D patent/US35498A/en not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6031489A (en) * | 1997-02-01 | 2000-02-29 | Ico Services Ltd. | User terminal positioning system and method employing external signals |
US6144336A (en) * | 1997-05-19 | 2000-11-07 | Integrated Data Communications, Inc. | System and method to communicate time stamped, 3-axis geo-position data within telecommunication networks |
US6118977A (en) * | 1997-09-11 | 2000-09-12 | Lucent Technologies, Inc. | Telecommunications-assisted satellite positioning system |
US20020133769A1 (en) * | 2001-03-15 | 2002-09-19 | Cowles Timothy B. | Circuit and method for test and repair |
US20020159756A1 (en) * | 2001-04-25 | 2002-10-31 | Lee Cheng-Tao Paul | Video data and web page data coexisted compact disk |
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