The Technical World Magazine, Volume 4Technical World Company, 1906 |
From inside the book
Results 6-10 of 99
Page 42
... positions of the various triangulation sta- tions , and other signals by means of cir- cles and dots , from which the ... position of signal points , is done in the office , and on its accuracy de- pends in great measure the accuracy of ...
... positions of the various triangulation sta- tions , and other signals by means of cir- cles and dots , from which the ... position of signal points , is done in the office , and on its accuracy de- pends in great measure the accuracy of ...
Page 43
... position of that " point . " This mark , called a ground mark , is of course not found beneath church steeples or tall chimneys , or temporary signals , but is a most impor- tant part of the erection of a triangula- tion signal ...
... position of that " point . " This mark , called a ground mark , is of course not found beneath church steeples or tall chimneys , or temporary signals , but is a most impor- tant part of the erection of a triangula- tion signal ...
Page 47
... position is or three trials with surprising accuracy . Once the true point is determined on the chart , that spot upon the land is as effect- ive for work as if it were a triangulation signal . A temporary signal is erected over this ...
... position is or three trials with surprising accuracy . Once the true point is determined on the chart , that spot upon the land is as effect- ive for work as if it were a triangulation signal . A temporary signal is erected over this ...
Page 64
... position that its jaws enclose the disc , the reaction of the eddy currents generated in the latter by the magnet's field gives a " drag . " which is balanced by adjusting a weight on an arbitrarily graduated scale . A job requiring a ...
... position that its jaws enclose the disc , the reaction of the eddy currents generated in the latter by the magnet's field gives a " drag . " which is balanced by adjusting a weight on an arbitrarily graduated scale . A job requiring a ...
Page 88
... position " and " getting a job ? " Metallic Filament In- candescent Lamps THE HE most interesting development in the field of electric lighting is the re- cent introduction of metallic filaments in place of the ordinary carbon filament ...
... position " and " getting a job ? " Metallic Filament In- candescent Lamps THE HE most interesting development in the field of electric lighting is the re- cent introduction of metallic filaments in place of the ordinary carbon filament ...
Other editions - View all
Common terms and phrases
alternating current American apparatus bank boat boiler bridge building built cable canal Catalogue cent cerium Chicago circuit clavichord coal Company connected construction cost cylinder diver draw dynamo eclipse elec electric electromotive force engine Falls feet furnace heat horse-power hour inches instrument iron Lachine rapids lamp light located machine manufacture Mechanical ment Mention Technical World metal method miles minutes motor Necaxa Niagara Niagara Falls Niagara River operation paper pass Patent pipe plant pneumatic tube pounds practically pressure produced pump railroad railway revolutions per minute rheostat river shaft ship side speed square station steam steel Street supply surface Technical World Magazine telephone thorium tion tons train tricity tube U. S. NAVAL OBSERVATORY United valve volts wheel wire York