GB190406616A - Apparatus for Demonstrating the Principles of the Metric System. - Google Patents
Apparatus for Demonstrating the Principles of the Metric System.Info
- Publication number
- GB190406616A GB190406616A GB190406616DA GB190406616A GB 190406616 A GB190406616 A GB 190406616A GB 190406616D A GB190406616D A GB 190406616DA GB 190406616 A GB190406616 A GB 190406616A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pellets
- sets
- hundred
- rows
- thousand
- 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
Links
- 239000008188 pellet Substances 0.000 abstract 10
- 239000002184 metal Substances 0.000 abstract 1
- 230000000630 rising effect Effects 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
Landscapes
- Medicines Containing Plant Substances (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Abstract
6616. Lees, J. L. March 18. Arithmetic, teaching.- Relates to an apparatus consisting of sets of pellets for demonstrating the metric system. Each pellet weighs preferably one gram and may be of metal &c. in the shape of a ball or other suitable form, and each set contains as many pellets as it weighs grams. The apparatus comprises :-One pellet, two sets of two pellets, one set of five in a row, one set of ten in a row, two sets of twenty in two rows of ten each, one set of fifty in five rows of ten, one set of a hundred. Fig. 7, two sets of two hundred formed by two hundred squares superimposed, one set of five hundred formed in the same way, and one or more sets of a thousand each forming a cube. The rows of pellets may be cast integral and adjacent rows may be similarly made, or the pellets may be threaded or pinned together, and cross-rows in a similar manner. Those sets of cubic form may be fastened by two or more pins rising from the bottom square in the interstices between the pellets, so that the different layers may be separated. The sets of two hundred pellets may have the two layers integral or separate and secured together, and those of five hundred and a thousand may be made entire, solid or hollow, so as to show only the external pellets. In this way multiples and submultiples of a kilogram may be demonstrated.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB190406616T | 1904-03-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB190406616A true GB190406616A (en) | 1904-12-31 |
Family
ID=32624733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB190406616D Expired GB190406616A (en) | 1904-03-18 | 1904-03-18 | Apparatus for Demonstrating the Principles of the Metric System. |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB190406616A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3125814A (en) * | 1964-03-24 | Educational device | ||
| US4967583A (en) * | 1987-06-27 | 1990-11-06 | Furukawa Aluminum Co., Ltd. | Method of manufacturing extruded seamless hollow materials |
-
1904
- 1904-03-18 GB GB190406616D patent/GB190406616A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3125814A (en) * | 1964-03-24 | Educational device | ||
| US4967583A (en) * | 1987-06-27 | 1990-11-06 | Furukawa Aluminum Co., Ltd. | Method of manufacturing extruded seamless hollow materials |
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