Philadelphia, PennsylvaniaSeptember 1957

5 PROJECT 10073 RECORD CARD

| 1. pate : 2. LOCATION 12. CONCLUSIONS

FE O Wos Balloon

9-10 September 1957 Philadelphia, Pennsylvania DO Probably Balloon

I | 3. DATE-TIME GROUP 4 TYPE OF OBSERVATION 0 LOR YC an

§ O Was Aircraft

] {by Jean Ri OR CRN RA EL EB round- Visual O Ground-Radar O Probably Aircraft

E GM st el fs a Air Visuol 0 Air-Intercep? Radar O Possibly Aircraft

4 5. PHOTOS : . SOURCE O Wos Astronomicol

3 OYes Physical o Eiohantly ldidihntbig

o 3 RAE D ossibly Astronomico

a Ao Specimens Civilian

4 7. LENGTH OF. OBSERVATION 8. NUMBER OF OBJECTS | 9. COURSE BXomer Chaff.

- O Insufficient Dota for Evaluation

1 0 Unknown

3 not rptd multiovle falling

" [10. BRIEF SUMMARY OF SIGHTING 11. COMMENTS

| Letter to FBI requesting information Evaluated as chaff used in jam-

1 regarding metal foil objects observed [ming radar,

4 falling from the sky.

4 ATIC FORM 329 (REV 26 SEP 52)

1 J
1 : ;
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