Heat pump
Title: | Heat pump |
Description: | Caption: "Heat pump--One compact unit to heat homes in the winter and cool them in the summer is what these [two] mechanical engineering students are working on. By a flick of a switch heat can be drawn up from coils buried 10 feet in the earth. On warm days the operation is reversed and hear from the house is drawn into the ground coils;." sign on machinery: "Refrigerator contains 6 lbs. Freon 12." |
Date: | 1952 |
Location: | Brooklyn (New York, N.Y.) |
More Details: |
Grease pencil cropping marks; retouched. On verso: caption stamped: Mar. 9, 1952; Brooklyn Eagle stamp; photographer's stamp. Title from caption on verso. |
Collection: | Schools
|
Subject: |
Polytechnic Institute of Brooklyn. College students Engineering students HVAC systems |
Institution: | Brooklyn Public Library, Brooklyn Collection. |
Medium: |
Gelatin silver prints. Photographic prints. |
Rights: | Copyright restrictions apply to the use of this image. For more information or to obtain a photographic reproduction of this image, contact the Brooklyn Collection at Brooklyn Public Library |
ID: | SCHL 0204 |