61 P.2d 1269 SILAS MASON, INC., et al., Appellants, v. THE STATE TAX COMMISSION et al., Respondents. No. 26059. En Banc.The Supreme Court of Washington. October 28, 1936. [1] LICENSES (1) — TAXATION (13) — EXCISE OR OCCUPATION TAX — POWER OF UNITED STATES — FEDERAL INSTRUMENTALITIES. The occupation tax imposed annually by Laws of […]