FR676480A - Improvements to air navigation devices - Google Patents

Improvements to air navigation devices

Info

Publication number
FR676480A
FR676480A FR676480DA FR676480A FR 676480 A FR676480 A FR 676480A FR 676480D A FR676480D A FR 676480DA FR 676480 A FR676480 A FR 676480A
Authority
FR
France
Prior art keywords
navigation devices
air navigation
air
devices
navigation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Thomas Augustus Dring
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR676480A publication Critical patent/FR676480A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C39/00—Aircraft not otherwise provided for
    • B64C39/003—Aircraft not otherwise provided for with wings, paddle wheels, bladed wheels, moving or rotating in relation to the fuselage
    • B64C39/005—Aircraft not otherwise provided for with wings, paddle wheels, bladed wheels, moving or rotating in relation to the fuselage about a horizontal transversal axis

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
FR676480D 1928-06-14 1929-06-10 Improvements to air navigation devices Expired FR676480A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB676480X 1928-06-14

Publications (1)

Publication Number Publication Date
FR676480A true FR676480A (en) 1930-02-24

Family

ID=10492128

Family Applications (1)

Application Number Title Priority Date Filing Date
FR676480D Expired FR676480A (en) 1928-06-14 1929-06-10 Improvements to air navigation devices

Country Status (1)

Country Link
FR (1) FR676480A (en)

Similar Documents

Publication Publication Date Title
FR684620A (en) Improvements to projection devices
FR658706A (en) Improvements to wetting devices
FR676480A (en) Improvements to air navigation devices
FR671928A (en) Improvements to warning devices
FR711996A (en) Improvements to air navigation devices
FR662665A (en) Improvements to navigation instruments
FR656824A (en) Improvements to advertising devices
FR670903A (en) Improvements to gimbal devices
FR679141A (en) Improvements to flying devices
FR36392E (en) Improvements to advertising devices
FR681473A (en) Improvements to advertising devices
FR671616A (en) Improvements to refrigeration devices
FR623957A (en) Improvements to air navigation devices
FR724497A (en) Improvements to indicating devices
FR689000A (en) Improvements to refrigeration devices
FR675717A (en) Improvements to refrigeration devices
FR681900A (en) Improvements to flying devices
FR35168E (en) Improvements to flying devices
FR36174E (en) Improvements to flying devices
FR680883A (en) Improvements to indicating devices
FR40039E (en) Improvements to air navigation devices
FR683932A (en) Improvements to refrigeration devices
FR653523A (en) Improvements to air navigation devices
FR687761A (en) Improvements to warning devices
FR665140A (en) Improvements to advertising devices