Rechercher dans la collection | Musée canadien de la guerre

Lieu d'utilisation Continent - Amérique du Nord, Pays - Canada, Province / Territoire - Québec, Municipalité - Val d'Or
Catégorie Outils et équipement de science et technologie
Sous-catégorie Outils et équipement, arpentage et navigation
Département Armes et technologie
Musée MCG
Date minimale 1950/01/01
Date maximale 1959/12/31
Nom de la marque / modèle Multi-Motor
Inscription (range finder/télémètre): ALTITUDE-DISTANCE FINDER MULTI-MOTOR (FOUR ENGINE) LOW 5,000 HIGH 10,000 15,000 VERY HIGH 20,000 IF IN THIS AREA MEASURE ALTITUDE ESTIMATE DISTANCE; 1 MILE 2 MI 3 MI 4 MI 5MI IF IN THIS AREA MEASURE DISTANCE ESTIMATE ALTITUDE OWEN F. CLARED U.S.A.; HOLD AT ARMS LENGTH (envelope/enveloppe): MULTI-MOTORED (FOUR MOTORS) INSTRUCTIONS FOR USE OF ALTITUDE DISTANCE FINDER The Altitude-Distance Finder will help you measure the altitude OR the distance of multi-engined aircraft. It will NOT measure BOTH the altitude and distance. To use the Altitude Distance Finder (1) Grasp the Finder in the lower right hand corner. (2) Hold the Finder at full arm's length. (3) When the aircraft is at an angle above 450, sight and fit the aircraft in the proper circle in the upper row of rings. Measure the altitude and report as "Low", "High" or "Very High". Estimate the Distance when you use the upper row of rings. (4) When the aircraft is at an angle below 45, sight and fit the aircraft in the proper circle in the lower row of rings. Measure the Distance as marked below the proper ring and report in number of miles. Estimate the altitude when you use the lower row of rings. (5) Report altitude and distance determined in their proper place in the Aircraft Flash Message.
Matériaux Plastique, Papier
Branche Corps des observateurs terrestres
Constituant de l’Arme Aviation royale du Canada
Mesures Longueur 9.5 cm, Largeur 7.0 cm
Activité connexe Protection civile