The Franklin Institute Logo
Case Files logo

Elmer Sperry: Electric Searchlight, 1920

Introduction: Elmer Sperry

Who was Elmer Ambrose Sperry? What was the Searchlight?

How did the Sperry Electric Company begin? What is the legacy of Sperry, his science, and his rewards?

These pages hold the answers to these questions and tell the fascinating story of one man's invention.

Would you have used a searchlight? Browse the "Sperry Open-Type Searchlight" booklet, published by The Sperry Gyroscope Company. Click on the image at the right to open the booklet and turn back the pages of time.


Use the dropdown menus above or the list below to access the pages in the Elmer Sperry Searchlight story: