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US Patent: 66,796
Improvement in Instruments for Laying out Stair-Railings
Patentee: Alexander Clow (exact or similar names) - Erie, PA USPTO Classifications: 33/29 Tool Categories: trade specific : carpenter Assignees: Alexander Clow - Erie, PA John Hendry - Erie, PA Manufacturer: Not known to have been produced Witnesses: John Graham John Hendry	Patent Dates: Granted: Jul. 16, 1867 Patent Pictures: [ 1 | 2 | 3 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin (dm)
Description: This device can be adapted for use in laying out handrails for elliptical stairways.

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