| Beginning Bates No. | 100171620 |
|---|---|
| Ending Bates No. | 100171620 |
| Company | British-American Tobacco Company |
| Date | 19591020 |
| Title | [Letter from H.D.A. to L.C. Laporte regarding increased filtration efficiency caused by the addition of K-389] |
| Type | Letter |
| Authors | HDA |
| Recipient | Laporte, LC |
| Copied | HUGHES, IW HOBSON, SF FELTON, DG ELLIS, C |
| Thesaurus Terms | Research Activity Nicotine Tar Tar Level Cigarette Design Filter Design |
| No. of Pages | 1 |