West In- General Agents for the U.S. dies and South America. HAs NEVER FAILED. Free from jyeeal Complica- ‘ions. Recommended by Engineer Corps, U.S.War Department, and the Highest Authorities on Sanitation and Hydraulic Engineering. Results Guaranteed. For Virculars and Estimates Address Address… … Price for the SUPPLEMENT for the United States and PATENTS. Canada, $5.00 a year, or one copy of the SCIENTIFIC AM- ERICAN and one copy of the SUPPLEMENT, both mailed for one year for $7.00. Address and remit by postal 1. A perfectly tight valve under any and all pressures of steam, ols, or gases.…
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