Sunday 16 September 2007 12.10pm
They were still advertising in medical journals as late as 1932 DOWN BROS., LTD
SURGICAL INSTRUMENT MAKERS.
21 and 23 ST THOMAS'S STREET. LONDON, S.E.1. (Opposite Guy's Hospital
Telegrams—"DOWN, LONDON." Telephone-HOP 4400 (4 lines)
One of the few medical journal sites where you can see a pdf of their adverts rather than needing to subscribe to the site is at:
(The ad is on page 14)
Another advertisement in another journal suggests they had another office/saleroom at 22A Cavendish Square W1