Physical description

Aerial Dead Reckoning Computer in leather pouch. This device was used as a navigational aid by aircraft pilots and crew.

W&G Aerial Dead Reckoning Computer R.A.A.F. Mk 1
Made in Australia by White & Gillespie
Front Scale: Distance Naut Miles, True Air Speed (Time Min, Hrs, Density Altitude, Air Temp )
Back Scale: Wind Correction Angle( True Heading )

Inscriptions & markings

The leather pouch has the following printed on the outside "W&G Aerial Dead Reckoning Computer R.A.A.F. Mk 1"