TWO COVER LETTERS TO/FROM DELETED TRANSMITTING FIRST PROGRESS REPORT RE IMPLANTED ELECTRONIC DEVICES AND BIOLOGICAL POWER SOURCES

N.� Dear June 27, 1966 Today I inadvertently mailed a progress report to �1without binding them in,their respective covers. The report was sent with cover letter signed �I Would you be kind enough to staple the front and back covers which .1 have enclosed to-the report. The report (two pages) was mailed today (June 27) via REGISTERED MAIL...