314 P.2d 634 A.B. SAMUELSEN et al., Respondents, v. MERRY MANUFACTURING COMPANY, Appellant.[1] No. 33983.The Supreme Court of Washington. Department Two. August 29, 1957. [1] Reported in 314 P.2d 634. [1] EVIDENCE — OPINION EVIDENCE — CONCLUSIONS AND OPINIONS OF WITNESSES — KNOWLEDGE OF WITNESS. A witness who had been a partner in a manufacturing […]