IV 



Tests cited — Continued. 



Peri (ciiefficit'iit ofohistirity), 21. 



Perroniiet (proldiigi'd stress), 20. 



Pike (tests of white ])ine), 28. 



Poneclet (torsion), 21. 



Pru.ssiaii investigation, 24. 



Raukine (manuals of engineering, ete.), 25. 



Rodman (ordnance nianual), 26. 



Rondclet (general test work), 20. 



Rothrock (mieroseoj)ie tests), 28. 



Sachs (porosity of wood), 2.5. 



Savart (tests hy .sound), 20. 



Sharpies (Census report), 26. 



Smith (tests of largo pine columns), 28. 



Tetniajer (Swiss building timbers), 2.3. 



Thurston (torsion, nuiterials of engineering), 27, 28. 



Treilgold (carpentry), 20, 25. 



Unwin (testing materials), 25. 



Watertown Arsenal, tests at, 28. 



Te.sts cited — Continued. 



Wellington (impregnated timber). 28. 



Wheatstone (tests by vibrations), 21. 



Wiesner (raw materials of the vegetable kingdom), 

 25. 



AVood (general treatise), 26. 

 TiMHER Physics: 



American work. 26-28. 



Bibliography of American work, 27. 



Considerations for proposed work, 3. 



Conspectus, lit. 



Definition. 17. 



Dilferentiation, 18. 



History and publii-ations, 20-28. 



Methods proposed. 3, 29. 



Objects. 3. 18. 



Origin of the science, 22. 



J'russian investigations, 24. 



Relation to forestry, 18. 



