“J—J—J!” Allan called. “J—J—J!”
Would Jim hear? Was he within call of his instrument? Perhaps he was in some other part of the house; perhaps he was not at home at all. Even if he were, how would he be able—
Then, suddenly, the circuit was broken, and as Allan held down his key, there came the welcome tick-tick, tick-tick, which told that Jim had answered.
“Flag Number Two!”
Allan’s hand was trembling so that he could scarcely control the key.
“R—R,” clamoured Jim. “Repeat—repeat!”
Small wonder that he doubted he had heard correctly!
“Flag Number Two—quick—collision!”
This time Allan controlled the trembling of his hand and sent the message clearly.
“O. K.,” flashed back the answer, and Jim was gone, forgetting in his agitation to close his key.