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abutment act by tension acting by thrust amount of action arch truss assumed bars beam bearing bolts cast iron cent centre chord plates Cloth compression connecting block connecting pin construction counter-bracing cross-section curve deflection depth of truss diameter Draw Bridges equal extending feet flanges force full load gives gonals greater half Hence horizontal action horizontal reach horizontal thrust Illustrated inclination Independent Arch joint joists king braces latter length less liable lifting force lower chord maximum stress maximum weight movable load multiplied negative resistances nodes number of panels opposite panel truss pieces portion posts practice produced proportion quired rail road represented respectively rivets screw side span splice plates square inch strain sway rods tension material thickness tical timber tion Trapezoidal Truss Bridge truss Fig truss rods upper chord upright vertical reach weight of structure weight sustained whence width wrought iron
Página 3 - WEIGHTS AND MEASURES. An Account of the Decimal System, with Tables of Conversion for Commercial and Scientific Uses. By BF CRAIG, MD Alexander's Dictionary of Weights and Measures. New Edition. 8vo. Cloth. $3.50. UNIVERSAL DICTIONARY OF WEIGHTS AND MEASURES, Ancient and Modern, reduced to the standards of the United States of America.
Página 1 - AXON, WEA The Mechanic's Friend. A Collection of Receipts and Practical Suggestions relating to Aquaria, Bronzing, Cements, Drawing, Dyes, Electricity, Gilding, Glass-working, Glues, Horology, Lacquers, Locomotives, Magnetism, Metal-working, Modelling, Photography, Pyrotechny, Railways, Solders, Steam-Engine, Telegraphy, Taxidermy, Varnishes, Waterproofing, and Miscellaneous Tools, Instruments, Machines, and Processes connected with the Chemical and Mechanic Arts.
Página 5 - ON A NEW METHOD OF OBTAINING THE DIFFERENTIALS OF FUNCTIONS, with especial reference to the Newtonian Conception of Rates or Velocities.
Página 343 - THE THEORY OF STRAINS IN GIRDERS — and Similar Structures, with Observations on the Application of Theory to Practice, and Tables of Strength and other Properties of Materials.
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Página 352 - CLEVENGER (SR). A Treatise on the Method of Government Surveying as prescribed by the US Congress and Commissioner of the General Land Office, with complete Mathematical, Astronomical and Practical Instructions for the use of the United States Surveyors in the field.
Página 348 - A. Legal Chemistry. A Guide to the Detection of Poisons, Falsification of Writings, Adulteration of Alimentary and Pharmaceutical Substances, Analysis of Ashes, and Examination of Hair, Coins, Arms and Stains, as applied to Chemical Jurisprudence, for the use of Chemists, Physicians, Lawyers, Pharmacists and Experts. Translated, with additions, including a list of books and memoirs on Toxicology, etc., from the French, by JP Battershall, Ph.D., with a Preface by CF Chandler, Ph.D., MD, LL.D.
Página 349 - Outlines of Proximate Organic Analysis, for the Identification, Separation, and Quantitative Determination of the more commonly occurring Organic Compounds.
Página 341 - KIRKWOOD, JAS. P. Report on the Filtration of River Waters for the supply of Cities, as practised in Europe, made to the Board of Water Commissioners of the city of St. Louis. Illustrated by 30 double-plate engravings. 4to, cloth $7.50 LARRABEE, CS Cipher and Secret Letter and Telegraphic Code, with Hog's Improvements. The most perfect Secret Code ever invented or discovered. Impossible to read without the key.