一 254 — 
Lengths of lattice and lacing bars. Table 
XIX. 
Lengths of span, 65. 
Limitations, nmuufacturing, 78. 
Limiting depths of floor beams, 75. 
Limiting depths of girders, 75. 
Limiting depths of pony trusses, 66. 
Limiting lengths of iron, 45. 
Limiting lengths of span. 65, 66. 
Limiting sizes of sections, 66. 
Limiting slope ot’ batter braces, 66. 
Limiting thickne3s of webs, 66. 
Limiting widths of plates, 7 1, 75. 
ljiinit of clear headway, 66. 
List of data, 91, 153, 155. 
ijist of members, 46. 
Live loads, 6$, 81, 82. 
Loads, dead, 64, 82, 83. Table I. 
Loads for wooden beams, 227. 
Loads, live, 65, 81, 82. 
Loads on floor beams, 64, 124, 125. 
Lock nuts, 57, 7 し 
Locomotives, Japanese, 8r. 
Loop eyes, 75. 
Lower end of post reinforcing, 54, 141, 172, -204. 
Tjumber, bill of, 182. 
Lumber, list of members, 50. 
Main member«, 46, 51, 115, 155, 203. 
Maintenance of bridges, 233. 
Manufacturers of iron, addresses of, 13, 14, 16, 
17, 18, 19, 20, 22, 25, 29, 33, 34, 35, 
Manufacturing limitations, 78. 
Marking iron, system of, 218. 
Marking of dimensions, 189, 197, 200. 
Material in struts, distribution of, 53, 
Materials, bills of, 149, 176, 177, 182. 
Materials, tests of, 79. 
Measurements, method of recording, 189, 197, 
aoo. 
Measures, Bros & Co リリ . 
Members, list of, 46. 
Method of erecting a bridge, 221, 230. 
Method of finding lengths of diagonals, 186. 
Method of record iu^ measurements, 189, 197, 
• 200 . 
Methods of checking, 15 1, 189, 190, 198. 
Middle of post connection, 55, 205. 
Minimum dimensions of chord ami b. br. plates, 
71- 
Name plates, 【 75. 
New Jersey Steel and Iron Co., 33. 
Nomenclature for loads on trusses, 90. 
Notches in rollers, 55. 
Number of men for bridge erention, 121. 
Nuts, 55, 76, 193, 194. 195. 
Oak lumber, weight of. 64. 
Order bill, final, 21 t. 
Order bill, preliminary, 209. 
Ornamental work, 57, 175. 
Ottowell’s notes on workshop drawings, 196. 
Outfit for drau glitsman, 18-2. 
Outfit for erecting gang, 223. 
Overturniug of car^, resistance to, 83. 
Packing, chord, 76, 119, 133, 135, 138, 159, 
Painting, 78, 235, 234. 
Panel length, economic, 146. 
Panel length of top chord, exact, 186. 
Passaic Rolling 1 Mill Co., 34. 
Patent Shaft and Axletreo Co. , 19. 
Percentages or increase for shock, 64. 
Philip Williams & Sons, 18. 
Pile driver, 224. 
Pilot nuts, 78. 
Pine lumber, 64. 
Pin bearing, 54, 71, 130, 204. 
Pin holes, 75, 78. 
Pin holes in bottom chord struts, eloncf^ 00 
of, 116. 
Pia pilots, 78. 
Pins, proportioning of, 129, 164, ao6. Table 
XIV. 
Pins, steel, 129, 132, 206. Table • 
Pins, working bending moments Ac. for, 
XIV. 
Plant, 223. 
Plate girderä, 51, 74, 75, 111. 
Plate girders, bracing for, 51, 75, 123, 208. 
Pony trusses, 6, 5 1, 66. 
Portal pins, sizes of, 207. 
Portal strut connection, 56, 14 2, 174, 206. 
Portal 8ti*uts, 52, 69, 16 2. 
Posts, 5a, 67, 69, 120, 159, 164. 
Post sections, 5-2, 69, 120, 159. 
Practical method of pin proportioning, 134* 
Pratt truss, 8, 52. 
Preliminary order bill, 209. 
Proportion for bars, best, 53, 131. 
Proportioning of batter braces, 120, 158. 
Proportioning of beam hanger plates, I4 2 , 
Proportioning of beam hangers, 126. 
