E.C. Delafield house.

E.C. Delafield house.

15 East 40th Street. E.C. Hunt, Jr., at work.

[Man working with scientific equipment.]

[Man working on a camera lens.]

Mr. E.C [Edward Collins] Knight [Jr.]

[C.M. Sorensen & Co. Inc. vacuum pump.]

[Camera factory.]

[Hunter College.]

[Hunter College.]

Hunter College, laboratory.

Hunter College, laboratory.

Hunter College, laboratory.

[Interior, camera store.]

[Street repair.]

[Hunter College.]

Hunter College, laboratory.

Hunt's Point Development - Yard from End of Dock

LIRR shop. Train repair

341 East 52nd Street. Harpsichord sounding board, c. 1680, at piano repair shop.