Ten inch rules
The vast majority of the millions of slide rules made were of this size.
Due to the large number of rules in this category they are grouped by country of origin.
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Ten inch rules |
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| Country | Notes | |
| United Kingdom | |
Where slide rule production started. |
| Germany | |
Made some of the best quality rules. |
| United States of America | |
Produced a vast range of rules in terms of functionality and price. |
| Other countries | |
Includes slide rules from France, Japan and other countries. |