246 West 39th Street. General view from window of 239 West 39th looking south at north front to 246 West 39th Street, 2:41pm.

[Looking south on Fifth Avenue from 39th Street.]

[Looking south on Fifth Avenue from 39th Street.]

[Looking south on Fifth Avenue from 39th Street.]

[View looking north on Fifth Avenue from 39th Street.]

Allerton House, 143 East 39th St., Building from the west.

Allerton House, 143 East 39th St., Building from the west.

Allerton House, 143 East 39th St., Building from the west.

405 Lexington Avenue. Two Chrysler Buildings on 42nd Street and 3rd Avenue, view looking north from roof of old Allerton House, now Salvation Army residence, on 39th Street between Lexington and 3rd A

116 West 39th Street. Knickerbocker Building.

East 39th Street. 39th Street Powerhouse no. 2, finished.

61-65 West 39th Street. Office building.

246 West 39th Street. View looking southwest from 239 West 39th Street and showing 246 West 39th Street in foreground and two adjoining excavations to the west.

Broadway North from 39th Street.

246 West 39th Street. From third-story window to 251-55 West 39th Street looking south into excavation and showing nearest blasting point to 246 West 39th Street about 90 feet distant, 11:31am.

East 39th Street. 39th Street Powerhouse no. 2, finished.

[29] West 39th Street. United Engineers' Building.

246 West 39th Street. From sidewalk looking southeast along westerly foundation wall to 246 West 39th Street, 12:36pm.

20 West 39th Street.

39th Street and 7th Avenue. Pictorial Review Building.