Drift Meter
   Drift meter 1.39805825243

Model number: MKII 6B/258

Date manufactured: 1940's

Period/Dates when in use: WWII

Description: A small telescope that extends down through the floor of an aircraft so the navigator can observe the earth's surface and measure how much the aircraft is drifting due to wind.

Item History: This instrument allows the navigator of a transport aircraft to determine how much the plane is drifting or being "set down" by the wind. It can also be used to determine the wind speed and direction.

Additional Photos:
Drift meter
Drift meter

Supporting documentation:
Description of operation (342000 bytes)

Jack Reichel
1735 North Point, San Francisco, CA 94123

Submission authored by:
Jack Reichel