#8
- NOVEMBER 1937 
The letterhead has been simplified once again
with a significant addition being a drawing of a Waco aircraft
to mark Adastra's appointment as agents for Waco. This design
features the following text as a footer:
AIR SURVEY & PHOTOGRAPHY ... SYDNEY - BEGA AIR SERVICE
... TELEGRAMS & CABLES "ADASTRA, SYDNEY"
A variation of this style, dated August 1940 shows the Derwent
House address and telephone numbers crossed out and the letterhead
over-printed with "41-43 Lords Road, Mascot. Phone Mascot
664-665"