Mr. and Mrs. Edison in Front of Laboratory

Front:
F.21-Mr. and Mrs. Edison in Front of Laboratory Thomas A. Edison Winter Home, Fort Myers, Fla.

Back:
This is the laboratory where Mr. Edison conducted his last major experiment--the ex- traction of natural rubber from goldenrod. At right is an air conditioned vault, the first in the U. S. A., which Edison built for storing records. 8B-H544 M. E. RUSSELL, SARASOTA, FLORIDA