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An illustration of a proposed apartment house in New York City. "As a people we set a high value on domestic life; we venerate the hearthstone: yet here we are herded in hotels and boarding-houses where privacy is all but unknown and home-making impossible..." -Holland, 1874

Proposed Apartment House

An illustration of a proposed apartment house in New York City. "As a people we set a high value on…

"Find the center of gravity of two of the bodies, as W1, and W4, in fig 4. Assume that the weight of both bodies is concentrated at C1, and find the center of gravity of this combined weight at C1, and the weight of W2; let it be at C2; then find the center of gravity of the combined weights of W1, W4, W2 (concentrated at C2), and W2; let it be at C; then C will be the center of gravity of the four bodies." —Hallock 1905

Compound Center of Gravity

"Find the center of gravity of two of the bodies, as W1, and W4, in fig 4. Assume that the weight of…

An illustration of a proposed family hotel in New York City. "There is probably no great city in the world which needs a reform in domestic architecture more urgently than New York; as there us none which contains such a preponderance of dwellings unsuited to the wants of the people who inhabit them." -Holland, 1874

Proposed Family Hotel

An illustration of a proposed family hotel in New York City. "There is probably no great city in the…

An Ancient Egyptian temple complex founded in 1400 B.C.E.

Luxor Temple

An Ancient Egyptian temple complex founded in 1400 B.C.E.