Ill 



NaME8 JIENTIOXED— rmitinilril. 



Peri, (cla.sti(it.v(ii<tlki<'iils(l.'t(Tiuinetl),21,22. 

 Phoenix Hiulge t'omi);iiiy (letter), 5. 

 Philbrick, Prof, (resistaucc formulas), 2S. 

 Pike, W. A. (tests of -nliitc piue), 28. 

 Poncelet, (elasticity coefficients), 21. 

 Pope, W. S. (letter), 15. 

 Randolph, L. L. (letter), 5. 



Rankine, Prof, (manuals of (^nfjineerinjj;, etc.), 25. 

 Reinke (botanist), 25. 

 Kiekcts, P. C. (letter), 12. 

 Riolile (universal testing nuiehine), 32, 34, 35 

 Rc1)ins(m, 8. W. (letter), 11. 

 RoiUl, Thomas (letter), 12. 

 Roilman, T. J. (tests, ordnance), 26. 

 Kofjers, N. H. (letter), 5. 



Roiidelet, (mechanical properties of tinilMT), 20. 

 Kossman (botanist), 25. 



Roth, Filibert (physical exaniiuations of test ma- 

 terial), 30, 42. 

 Rothrock, J. T. (microscopic tests), 28. 

 Kudelofl', M. (report on timber investigations), 21. 

 Rnmford (combustion tests), 26. 

 Savart (elasticity determined by souud), 20. 

 Sachs, J. (porosity of wood), 25. 

 Sanio (botanist). 25. 

 Schaeht (botanist), 25. 

 Schaub, J. W. (letter), 16. 

 Seaman, II. B. (letter), 7. 

 Sellers, Coleman (letter), 14. 

 Shai-ples, S. P. (timber physics), 3, 26. 

 Shinn, W. B. (letter), 9. 

 Skinner, F. W. (letter), 5. 

 Smith, C. Shaler (tests of columns), 28. 

 Smith, Oberlin (letter), 12. 

 Strobel, C. L. (letter), 15. 



Stubchen-Kirehner, F. (techuolo^jical (li(lioMary),25. 

 Swain, George F. (letter), 13. 

 Tetmajer, L. (properties of timber), 23. 

 Thatcher (coni]iutiug slide rub'), 32. 

 Tliomsou, G. H. (letter), 8. 

 Thurston, R. H. (letter), 12, 27, 28. 

 Trautwiue, J. C. Jr. (letter), 6. 

 Tredgold (carpentry), 25. 

 linger (botanist), 25. 

 tin win, W. C. (testing of materials), 25. 

 Waddell, J. A. L. (letter), 12. 

 Watkins, .1. E. (letter). 8. 

 Weiss (botanist), 25. 



AVellington. A. M. (impregiutting timber), 28. 

 Werthcini(test work), 22. 

 Wheatstone (axes of resistance), 21. 

 Whinery, S. (letter), 10. 

 White, .1. B. (lett<'r), 16. 

 AVhite, W. H. (letter), 16. 

 Wiesuer, ,J. (technical microscopy), 25. 

 Willkonnn (botanist), 25. 



Wood, I)e Volson (resistance of mat(Tials), 26. 

 Wood, Joseph (letter), 10. 

 Woodbury, C. J. H. (letter), 13. 

 Propertie.s ok Wood: 

 Classification, 18, 19, 20. 

 Cross-breaking strength, 30. 

 Crushing strc^ugth, 24, 34. 

 Density, 43, .50. 



PuorKKTiEs OF WooD— Continued. 



Durahilily, 1,23. 



Klasticity, 20, 21, 22, 2.3, 26, 27, .36, :W. 



Records, 36, 53, 57. 



Relation to each otluT, 4, 20, 23. 21, 3H to 41. 



Relation to other conditions, 3, 4, 20. 



Annual rings, 4. 



Axis of strain, 21. 



Climate, 4, 5. 



Continuous loail, 20. 



Density, 21. 



Felling time, 4, 24. 



Parts of tree, 20, 21, 31. 



Seasoning, 4, 21, 27. 



Service, lengtli of, 5, 30. 



Soil, 4, 20. 



Support, manner of, 21. 



Tapi>iug for turjientine, 30. 



Resilience, 36,37. 



Shrinkage, 48. 



Sound, 21. 



Toughness, .36. 



Working cajiacity, 23, 24. 25. 

 TEST.S Citeb: 



Barlow (strength of materials), 1.23. 



Banschinger (elasticity and density of spru.-e and 



pine timber), 23 

 Belidor (general test work), 20. 

 Bevan (torsion), 20. 



Bufl'on (mechanical projierties of oak), 20. 

 Bull (fuel value of woods), 26. 

 Burr (elasticity and resist.-iuce). 2.5, 26. 

 Chevandier & Werthein (coniprehcnsiv.. test work) 



32. 

 Corliss (seasoning of hickory), 27. 

 Day (microscopic tests of strength), 27. 

 Dupin (elastic limit), 20. 

 Ebliels (general test work), 20. 

 Estrada (prop(>rties of Cuban woods), 27. 

 Flint (tests of Nicaraguan woods), 27. 

 Fowke (experiments on British and ol her woods), 23. 

 Girard (oak colunms), 20. 

 Hageu (strength and moisture), 21. 

 Hartig (Gc^rmaii i-onifers), 25. 

 Hatfield (tranverso strain), 26, 27, 28. 

 Tlodgkinson (elastic changes), 21. 

 Ihlseng (testing l)y sound), 27. 

 Jenny (careful test work), 23. 

 Johnson (strength of colunms), 27. 

 Karmarsch (nu'chanical technology), 24. 

 Kidder (transverse strength), 27. 

 Laidley (navy tests), 26. 

 Lanza (long columns), 26, 27. 

 Laslett (timber and timber trees), 25. 

 Mikolaschek (mechanical iirop.Tti.s i,f Boln'niian 



timbers), 23. 

 Moeller (wood anatomy), 25. 

 Mu.schenbroe<-k (ditlerences of streiiglh in same 



tree), 20. 

 Nordliuger(ainiual rings, 25; properties and apjdica- 



tion), 22, 23. 

 Norton (set, after a tninsverso set), 28. 

 Paceinotti (coelTiclent of elasficify), 21. 

 Parent (stn^ngfli of oak an<l fir). 20. 

 J'arker (tests at Watertown), 28. 



