| Collection | GB 0231 University of Aberdeen, Special Collections |
| Level | Item |
| Ref No | MS 998/16/223 |
| Title | Letter: unnamed correspondent, Longwood, Winchester, to Lady Wilson |
| Date | 23 August 1909 |
| Extent | 1 item |
| Description | Gives examples of three ordinary orchestral pitches; the Queen's Hall pitch of 522 vibrations to the second is that commonly used in England. |
| Access Status | Open |