Page:Edgar Wallace--Tam o the Scoots.djvu/140

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TAM O' THE SCOOTS

its lawful business, and that is a British battle-plane, and that this was such a machine, Tam knew.

Why it should be flying at that height and in a direction opposite to that in which the battle-line lay, was a mystery.

Usually a machine begins to drop as it reaches our lines, even though its destination may be far beyond the aerodromes immediately behind the line—even, as in this case, when it was heading straight for the sea and the English coast. Nor was it customary for an aeroplane bound for "Blighty" to begin its voyage from some point behind the German lines. Tam stood for fully five minutes watching the leisurely speck winging westward; then he retraced his steps to the aerodrome.

He found at the entrance a little group of officers who were equally interested.

"What do you make of that bus, Tam?" asked Blackie.

"She's British," said Tam cautiously.

He reached out his hands for the glasses

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