1910 German A.W. Faber #367 DRP 206428 Slide Rule w/Registering Cursor Pointer for Sale

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1910 German A.W. Faber #367 DRP 206428 Slide Rule w/Registering Cursor Pointer For Sale

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1910 German A.W. Faber #367 DRP 206428 Slide Rule w/Registering Cursor Pointer:
$195.00

Hello, up for sale is very rare antique ca.1910 German A.W. Faber # 367 slide rule. Marked with DRP patent No:206428 and DRGM 371190. Celluloid on wood slide rule with original cardboard box. Closed frame, single-sided with double-sided slide, metal-rimmed glass cursor with a movable indicator on it. This specific model of Faber slide rules uses a specially developed registering cursor runner that has a semi-circular extension incorporating a pointer to a list of numbers, from -6 to +6, used to count the number of decimal places in the calculation and thus its rarity because Faber-Castell only used it on the 367 slide rule. This rule was made from 1905 until world War I.

Condition: original as is on photos, box with traces of time. The glass on cursor has a crack, the rule is in very good antique condition. Please, be sure to view all photos carefully as they are included as part of the item description.

Measures: 10”

Check my other sales for wonderful antiques and collectibles!

sale terms and conditions.

All my items are as described, all authentic and original collectable items. They are described the best way I can. All questions will be answered on time depending on the time-zone differences.

I ship only registered airmail worldwide with tracking number provided.

Package will be securely wrapped to prevent any damage. If needed in double box.

100% refund guaranteed. Do not worry to contact me if you need assistance in any situation. Will do my best to satisfy my customers. Will combine shipping for multiple purchases.

Happy offerding!

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