Archive
of
Collections
Details and Image
Type
Model #.
Aircraft Maker / Name
Instrument Maker
Country
Construction
Date
Scale Length
Area of Use
Disk
DH-114
de Havilland / Heron
de Havilland
U.K.
Matal
est. 1950's
Dia. = 17.8 cm
Flight Management
Comment:
"1) Used for weight and balance calculations to make sure the aircraft is not tail heavy or nose heavy 2) A vey well made slide rule with a main disk and 2 smaller concentric disks, one on each side."
Image 1
Image 2
Image 3
