Extract from the Gazette, 1744
Printed in The Pennsylvania Gazette, July 26, 1744.

[Advertisement] A Course of Experimental Philosophy, begins at the Library-Room, next Monday at five o’Clock in the Afternoon, which will be the last to be performed in this City by Dr. Spencer.

n.b. Any of the Gentlemen who subscribed to the former Courses, may go through this, at half Price, and have as an Addition some Lectures on the Globes.

[July 26]
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