|Publication number||US28932 A|
|Publication date||Jun 26, 1860|
|Publication number||US 28932 A, US 28932A, US-A-28932, US28932 A, US28932A|
|Inventors||B. M. Woodwaed|
|Export Citation||BiBTeX, EndNote, RefMan|
|Referenced by (10), Classifications (2)|
|External Links: USPTO, USPTO Assignment, Espacenet|
B. M.. & J. E. W'OODWARD. STATION INDICATOR.
No. 28.932. Patented June 26, 1860 UNITED STATES PATENT OFFICE.
E. M. WOODYVARD AND JAS. E. \VOOD\VARD, OF PHILADELPHIA, PENNSYLVANIA.
Specification of Letters Patent No. 28,932, dated June 26, 1860.
To all whom it may concern:
Be it known that we, E. M. Voonwann and J E. Voonwann, of Philadelphia, and
State of Pennsylvania, have invented a new and Improved Mode of Exhibiting \Vhether a Railroad-Car is in Advance or Behind Time; and we hereby declare the following to be a full, clear, and exact description of the same, reference being had to the annexed drawing, showing a view of the dial and our improvement.
It is of great importance that the passengers in a car should be able to see whether the car is running ahead or behind its running time, and it is for this purpose that our invention is designed.
The nature of our improvement consists in placing a third hand, colored red in the drawing, to the clock. It is attached to the pin on which the minute hand is attached, and consequently completes the revolution in the same time as the minute hand.
Upon the margin of the clock-face are placed the names of the stations, streets, or other points of the route, at which the car should be at a giventiine. This will be better explained by reference to the drawing. Suppose the time at which the car starts to be quarter of twothen at that time the red hand is moved so as to point at the word Depot on the outside circle. It then the car should be at the first point in (3 minutes, the point is marked so that when the red hand traverses 6 minutes it will point directly to it. The second point, requiring but 5 minutes to reach it, is marked in the same manner. If the car is behind time when it arrives at the first point or any point the red hand instead of being at the point .on the dial will be in advance of it, and viceversa.
The drawing represents the dial marked for a car which takes but forty-five minutes to complete its trip. The return trip is indicated in the same manner by another row upon the dial face.
In the drawing, the red figures denote the return trip, and the black ones, the direct trip, but it is not material, which is the outside row.
Having thus described our improvement what we claim as our invention and desire to secure by Letters Patent is The application of the hand (A) to an ordinary clock used in combination with a dial having the various points along the route marked upon it, the whole being so arranged as to show whether the car is in advance of or behind time at any point substantially as herein described.
. E. M. XVOODXVARD.
JAS. E. XVOODVARD.
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