Boxwood Cattle Gauge Slide Rule by KENNAN of Dublin *SOLD*
An interesting brass tipped boxwood slide rule by KENNAN of Dublin.
Marked 'KENNAN FISHAMBLE ST DUBLIN' on one side.
One one side it has scales marked 'A GIRTH' up to 8 on the sliding section and 'LENGTH IN FEET' up to 6 with another scale graduated from 20 to 90. Also marked '8LB' and '14LB' on the sliding section.
The '8LB' refers to the Old London Butchers' stone which was 8 pound rather than the more usual 14 pound
The other side has scales marked 'B GIRTH IN FEET' up to 11 on the sliding section with 'WEIGHT IN STONES' up to 350, and 'LENGTH IN FEET' up to 10. Again also marked '8LB' and '14LB'.
Used to calculate or predict the weight of a cow carcase.
The rule is 8 inches long, the sliding section is 89/16 inches long, 15/8 inches wide.