FR692802A - Perfectionnements aux phares et balises lumineuses - Google Patents

Perfectionnements aux phares et balises lumineuses

Info

Publication number
FR692802A
FR692802A FR692802DA FR692802A FR 692802 A FR692802 A FR 692802A FR 692802D A FR692802D A FR 692802DA FR 692802 A FR692802 A FR 692802A
Authority
FR
France
Prior art keywords
lighthouses
beacons
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
English (en)
Inventor
John Bryce Bartow
Charles Townsend Ludington
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 FR692802A publication Critical patent/FR692802A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
    • B64F1/00—Ground or aircraft-carrier-deck installations
    • B64F1/18—Visual or acoustic landing aids
    • B64F1/20—Arrangement of optical beacons

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
FR692802D 1930-03-26 1930-03-26 Perfectionnements aux phares et balises lumineuses Expired FR692802A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR692802T 1930-03-26

Publications (1)

Publication Number Publication Date
FR692802A true FR692802A (fr) 1930-11-12

Family

ID=9039060

Family Applications (1)

Application Number Title Priority Date Filing Date
FR692802D Expired FR692802A (fr) 1930-03-26 1930-03-26 Perfectionnements aux phares et balises lumineuses

Country Status (1)

Country Link
FR (1) FR692802A (fr)

Similar Documents

Publication Publication Date Title
BE392634A (fr) Perfectionnements apportés aux éther-sels mixtes
FR721633A (fr) Perfectionnements aux segments
FR692802A (fr) Perfectionnements aux phares et balises lumineuses
FR719279A (fr) Raccord amovible et démontable
FR746467A (fr) Perfectionnements apportés aux éthers-sels mixtes
FR688869A (fr) Perfectionnements apportés aux aéroplanes
FR716710A (fr) Perfectionnements apportés aux niveaux
FR716844A (fr) Perfectionnements aux poutres
FR712807A (fr) Perfectionnements aux aéroplanes
FR694181A (fr) Perfectionnements aux compositions résineuses et laques
FR697594A (fr) Perfectionnement aux parapluies
FR38830E (fr) Perfectionnements aux remblayeuses mécaniques
FR40214E (fr) Perfectionnements aux hangars démontables
FR704465A (fr) Perfectionnements aux interrupteurs et commutateurs
FR711142A (fr) Perfectionnements aux constructions démontables
FR709567A (fr) Perfectionnements aux isoloteurs
FR697001A (fr) Perfectionnements aux suspensoirs
FR689159A (fr) Perfectionnements aux détordoirs
FR700119A (fr) Perfectionnements apportés aux vérins
FR691107A (fr) Perfectionnement aux agraîes
FR722350A (fr) Perfectionnements aux cercles chromatiques
FR694700A (fr) Perfectionnements apportés aux dirigeables
FR710395A (fr) Perfectionnements aux ensouples
FR710164A (fr) Perfectionnements aux interrupteurs et commutateurs
FR38034E (fr) Perfectionnements apportés aux carburateurs