These worked in the upper quadrant to distinguish them from the two-position lower quadrant semaphores that were standard at the time of their introduction.
32.
Gradually the remaining Upper Quadrant signals ( and Double Light Colour Light signals at Binalong ) are being replaced by Single Light Colour Light signals.
33.
The signalling type used here is a mixture of both ex-BR signalling and Ex LNER . All signals are of the Upper quadrant signal variety.
34.
Kentucky loyalty is on such an extreme level that Pitino, himself in the upper quadrant of compulsive coaches, thinks Kentuckians should take a chill pill.
35.
In 1903, Loree, along with Frank PJ Patenall, received U . S . Patent # 733, 981, for the upper quadrant signal in North America.
36.
The early abandonment of the three-position semaphore signal in the UK allowed for the widespread replacement of two-position lower quadrant signals by two-position upper quadrant signals.
37.
Some railroads, especially in the northwestern US, mounted their lower quadrant versions directly on top of a tall steel pole similar to the upper quadrant signal.
38.
Patients with cholelithiasis typically present with pain in the right-upper quadrant of the abdomen with the associated symptoms of nausea and vomiting, especially after a fatty meal.
39.
Somersault signals at Carrickfergus railway station, showing the distinctive central pivot about which the arm " somersaults " A later development was the upper quadrant three-position semaphore signal.
40.
The overwhelming majority of semaphore type signals used in North America, and the only type surviving in service as of 2009 are of the three position, upper quadrant variety.
