A.A. Ballast bags filled with sand
B. Instruments (such as a statoscope, which shows at any moment whether the balloon is rising or falling; and an altitude meter)
C. Ring by which car is attached to balloon.
A.A. Ballast bags filled with sand
B. Instruments (such as a statoscope, which shows at any moment whether the balloon is rising or falling; and an altitude meter)
C. Ring by which car is attached to balloon.