US Patent: 7,416 - Board and Log Rule


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US Patent: 7,416

Board and Log Rule

Patentee:

Charles B. Hutchinson (exact or similar names) - Waterloo, NY

USPTO Classifications:

33/761

Tool Categories:

rules : lumber rules

rules : tape measures

Assignees:

None

Manufacturer:

William Knox - Waterloo, NY

Witnesses:

Sterling G. Hadley

Wm. Knox

Patent Dates:
Granted:	Jun. 04, 1850

Patent Pictures:

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Description:

Measures both boards and logs. Tape is 48" long. Board feet is shown on the inner plate after measuring the width. Log measurement features gives a number of values: square size (trimmed to square); cubical contents; number of board feet; number of cut shingles; number of cut staves.