Opened in 1914, the Republic Restaurant had the garish interior of a real old-school New York Chinese restaurant, based on these images on this vintage postcard.
The ad below—it comes from a 1915 guide for sailors in the U.S. Navy—sheds a little light on the menu. Chop suey and tea? Sounds like the kind of faux-authentic Cantonese cuisine New Yorkers at the time were accustomed to.
A Cue magazine ad from 1973 suggests the shrimp toast and homemade egg rolls, plus the “roast pork won ton soup.”