![]() ![]() In order to ascertain the time of day or night, in any part of the world, corresponding to your own meridian time first: place the lower indicating arm, G',into the center socket 0 or receptacle, letting the graduate edge of the arm be in line on your own meridian time, for instance if it be New York, which is the fifteenth meridian: Now you wish Londons corresponding timez-Place the arm H, on 5 the meridian of Greenwich, which is London, and marked, F, atthe same time holding the arm G in its place. G09B29/00- Maps Plans Charts Diagrams, e.g. ![]() G09B- EDUCATIONAL OR DEMONSTRATION APPLIANCES APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE MODELS PLANETARIA GLOBES MAPS DIAGRAMS. ![]()
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