. a short spring-compressed lever. ing. The protractor E is fastened to the block D and cylinder and valves ($2), a piece of good %-inch The latter at its lower end has a small hole therein is used to measure vertical angles. As the body is hose and a spraying nozzle ($2). -Total cost, $11. through… … down. Connect the board with the pump to carry 60,000 horse-power. CONSTRUCTIONAL DETAILS OF THE SUBVEYING INSTBUHENT.
Mechanical · Patents · Illustration of books · Inches · Hyperspace · American supplement · Scientific American · Working drawings · Subject matter · Infinite number · Practical treatise · York city · Gas engines · Producer gas · Round trip
Internet Archive · Public domain (published before 1931). Free to use for anything.
