FARROW AND JACKSON |
England, c.1825+, MIM PHIM |
Syke's Hydrometers = Phillips 2/14/79, Christie-SK 5/10/77, P.C.; Slide Rule, double, ivory = D.(1972); Bung Stick, wood = BIR; Slide Rule, double, wood = ADL-W144. |
the Adler rule is marked "Farrow and Jackson Makers Ltd., London." |
London. |
Moskowitz 103; ADL; RSW. |
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