US Patent: 857,185
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| Compass-Handle-Adjusting Device
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Patentee:
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| Otto G. Mayer (exact or similar names) - Stuttgart, Germany |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jun. 23, 1906 |
| Granted: |
Jun. 18, 1907 |
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Ralph Brendler
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Description: |
| This design covers a new type of handle for draftsman's compasses or dividers. The design automatically keeps the handle centered between the legs and parallel to the axis. |
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