EG&G-1478 (Report: SECRET) Cards: UNCLASSIFIED Edgerton, Germeshausen & Grier, Inc., Boston PROGRESS FOR THE MONTH OF MAY, 1956. May 31, 1956 l6p. 1. 2e 3. i Lacrosse Burst 6. Spark Gaps— Development I. TII. Edgerton, Germeshausen & Grier, Ince, Contract AT(29-1)-11383 II . Boston EG&G Control No. 00023 vy ~~ “i citi Se ‘f Hite 2 aide.