| Tavernet-Gravier | |
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Front |
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Back |
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Front without slide |
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Back of the slide |
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| Box | |
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| Length | 26 cm |
| Number of scales | 10 |
| Country of origin | Netherlands |
| Country of manufacturing | France |
| Year of manufacturing | First half of 20th century; later than 1889. If I compare it to my Faber-Castells I would guess 1900-192. |
| Status of the slide rule | Slightly damaged |
| Material of the slide rule | Celluloid on wood |
| Type of cursor | Metal with glass |
| Status of the box | None |
| Type of box | None |
| Status of the manual | None |
| Collection number | 235 |
| Further comments | I have not been able to find a
similar one on the Internet. Not even in Herman's archive (http://sliderules.lovett.com/herman/begin.html).
It was apparantly sold in London by J.H. Steward, as can be seen on the back.
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