Roux, Combaluzier and Lapape, 28, 34, 



35' 40 

 system, 22, 28, 30, 31, 36, 39, 40 



Rowe, Lester, 146 



Royal Society of London, 97, 99, too, loi, 



105, 108, 157, 192, 229 

 Rumford, Count, 52 

 Russell, John Scott, 200 

 Rutherford, L. M., 158, 168, 170 

 S. & F. Fickett shipyard, see Fickett and 



Crockett, 64 

 safety truck, four-wheel, 120, 121, 122, 



126, 127, 131 

 two-wheel, 125, 126, 127, 128, 129, 



131 

 St. Gobain Company of France. 173 

 Salisbury, William, 69 

 Sargent, John O., 53 

 Sarrus, Pierre-Frederic, 193 

 Sarton, George, 83 

 Sauvestre, Stephen, 6 

 Savannah (vessel) model, 61-80 

 Savannah Steamship Company, share- 

 holders, 68 

 sawmill, up-and-down, 187 

 schooner-rigged sharpies, 149, 150 

 Schwamb, Peter, 224, 225 

 Scotch yoke, 221, 222 

 scow 135, 147, 148 

 sea-water sampling device, 97 

 Sedgwick, H. G., 179 

 Seine boat, 135 



self-registering systems, electromagnetic, 

 1 05-1 14 



Hipp's, 105, 109, 114 



Kew's, 105, 1 14 



Secci's, 106, 107, 108, 109, no, 116 



Wild's, 105 106, 116 

 self-registering systems, mechanical, 105- 

 1 14 



Draper's, 105 

 Sellers, George Escol, 219 

 Sennet, Richard, 51 

 sharpie, 136-154 



Chesapeake Bay, 148-149 



double-ended, 152-153 



modern, 154 



New Haven, 133-154 



North Carolina, 141-151 



schooner-rigged, 149, 150 



sloop-type, 145 

 Siemens, Karl Wilhelm, 57 



Werner von, 1 4, 1 6 

 Signal Corps, U.S. Army, 105, no 

 Silliman, Prof. Benjamin, 157, 162 



Slna, Ibn, 84 



Singer, Dorothea, 213 



skiff, flatiron or sharpbowed, 135, 148, 152 



153. '54 

 slider-crank mechanism, 188 

 Smack, Maryland terrapin, 142, 149, 151 

 Smeaton, John, 192 

 Smith, Alba, F., 122, 124, 125, 130, 131 



Robert Henry, 215, 217, 223 

 Smithsonian Institution, 58, 97, 99, 105, 



107, 108, 113, 115, 198 

 spectroscopes, 159 

 Speedwell Ironworks, 68, 69 

 Spon, E. F. and N., 218, 219 

 Sprague, Frank J., 14, 17 

 Stahi, Albert W., 225 

 Standard Plate Glass Company, 159, 174, 



175. 176, 179 

 steam elevator, 9, 10 

 steam engine, 186, 191, 192 

 steam gage, 1 14 

 Steere, Grace E. Holcomb, 184 

 Steinhill and Foucault, 159 

 Stevens Institute of Technology, Hoboken, 



223 

 Stirling, Robert and James, 48, 54, 57 

 Storey, Eva C. Holcomb, 184 

 straight-line mechanism, 199, 200, 201, 203 

 Stubbs, R. N., 171, 172, 173 

 Sudhoff, Karl, 85, 87, 89 

 sun-and-planet gearing, 192, 193, 195 

 Surgeon General's office, U.S. Army, 98 

 surveyors instruments, 162 

 Svoboda, Antonin, 227 

 swing-bolster truck, 122, 124, 125 

 Sylvester, James Joseph, 186, 204, 205, 



206, 207, 209 

 Teagle elevator, 8 

 Telegraph, sharpie, 136 

 telescope, 156-184 



achromatic, 162, 167, 170, 182, 183 



comet-seeker, 164, 168, 184 



Dorpat, 183 



draw, 164, 184 



Gregorian, 181, 182, 183 



Herschelian reflecting, 156, 157, 162, 

 163, 166, 182, 183, 184 



reflecting, 172, 173, 182 



refracting, 168, 172, 184 



transit, 163, 184 



Yerkes refracting, 159, 171 

 telescopic theodolite, 157 

 textile machine, 201 

 Thayer, Sylvanus, 210 

 thermograph, 105, 114 



thermometer, 96, 97, 98, 99, loi. 103, 

 104, 105, 106, 108 



balance, 104 



dry-bulb, 97 



electrical contact, 109 



maximum-minimum, 97 



mercurial, 107 



self-registering, loi, 115 



wet-bulb, 97, 98 

 thermoscope, 96, 97, 101 

 Thiel College, Greensville, Pa., 172 

 Thomson, Sir William {See Lord KelvinJ 



207 

 three-plank canoes, 152 

 Thurston, R. H., 47 

 Tilton, H. C, 174 

 Tomlinson, Charles, 223 

 Tool, A. Q., 180 

 Torricelli, Evangelista, 97, 98, 99, loi, 



217 

 transit, 157, 163 

 Tredgold, Thomas, 51 

 Trevithick, Richard, 4, 5 

 Trotter, sharpie, 136 



truck, four-wheel safety, 120, 121, 122. 

 126, 127, 131 



radius-bar, 123 



swing bolster, 122, 124, 125 



two-wheel safety, 125, 126, 127, 128, 

 129, 131 

 Tyler, David Budlong, 52, 68, 77 

 United States, packet ship, 68 

 U.S. Army Signal Corps, 105, no 

 U.S. National Museum, 43, 44, 52, 58, 

 63> 64, 71, 77, 80, 108, 113, 115, 

 '34: 15O' 157' 161, 162, 164, 165, 

 166, 168, 171, 179, 184, 198 

 U.S. Navy, Depot of Charts and Instru- 

 ments, 157, 158 

 U.S. Weather Bureau, loi, 113, 114, 115 

 Urbanitzky, Alfred R., 17 

 vacuum pump, 97 

 Vail, Stephen, 68, 72 

 Vienna Exhibition, 1873, 203 

 Vinci, Leonardo da, loi, 187, 188 

 Virgines, 182 

 Vogel, Robert M.: Elevator Systems of the 



Eiffel Tower, 1889; 1-40 

 Voglie, de, linkage, 201, 202, 212 

 Walker, Sears C, 163 

 Wampler, Squire, 158, 159 

 Warner and Swasey, 159, 179 

 Wasbrough, Matthew, 192, 193 



INDEX— PAPERS 19-27 



413 



