William T. Comstock · William T. Comstock · leaf 118
y drawn andshow a practiced hand. The introduction is sound. The work will be welcomed heartily by students andyoung draftsmen. To such we cordially rec< mmend it.— The Sanitary Engineer. —Is one of the most practical and useful books cf the kind that we have ever noticed. It may alsobe read… … **fytrHtL& m H.Y. DESCRIPTION OF THE LEVEL. THE sighting tube A A is 14 in. long and 1 as at the end A a pin hole looking throughthe tu >e, and at the other end A a sm.dl i in^ in ide the t r iss shield or outer r nrshown in cut holding thd cross wi es. A cover is provided as shown :n cut t…
Architecture, Domestic · Designs and plans
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