| Faber-Castell 66/91 | |
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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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Sleeve |
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| Length | 15 cm |
| Number of scales | 9 |
| Country of origin | UK |
| Country of manufacturing | Germany |
| Year of manufacturing | 1933 |
| Status of the slide rule | Normal signs of use |
| Material of the slide rule | Celluloid with metal reinforcement rods |
| Type of cursor | Metal with glass (glass is missing) |
| Status of the box | Normal signs of use |
| Type of box | Brown leather, with embossed "Made in Bavaria" |
| Status of the manual | |
| Collection number | 224 |
| Further comments | Distinctive is that the reinforcement
rods of this slide rule do not have the normal yellow/brass color, but
are silvery. In the inside of the sleeve is written the name of the previous owner: "William Arthur Stoneham" |
