| Reference number | NLB/68/20 |
| Alternative reference number | NLB/68 p11 |
| Level | Item |
| Title | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to the Chief Engineer of the International Western Electric Co.; 63 Aldwych, W.C.2. |
| Date | 29 April 1925 |
| Description | Arranges for someone from the International Western Electric Co. to call to discuss Soiree exhibits, in particular the audiometer and artificial larynx. |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |