The Boy Aviators on Secret Service

sly kept, but rather to Frank's surprise nothing occurred to excite suspicion. The next morning Le Blanc, who had driven into town, returned shor

can keep in touch with her by wireless. For this purpose, besides the apparatus attached to your air-ship, I have ordered a complete field outfi

ound trunk, but little bigger than an ordinary steamer trunk, and weighing about one hundred and fifty pounds. Two storage batteries, both sufficie

protect the outfit from the weather. Of course a charging station is a necessity and another case contains a small, but powerful gasolene motor and generator. Another attachment for use with the appliance is a combination Malay and box kite carrying a cord of phosphor bronze, wire-woven abo

bility was a strong feature in itself. It was this very question that had caused Frank, when designing the new Golden Eagle, to so construct her that she could be taken apart and the variou

s ready for the attachment of the engine. They were all surprised, and somewhat startled, when their solitude was invaded, just as they were thinking of knocking o

wn years smartly-too smartly-dressed,

he cordiality he could muster at seeing who their visitor

prised to see me,"

ly am," re

n," went on the other, "you're

ogized Frank, "won't you come over

of smile broke on

ch to anyway. Since you fellows left New York I have been made president of the Junior Aero Club

I, of course he was not telling the truth. He would have given a great deal to have even caught a glimpse of her. In fact, when that morning he had heard that the boys' aerodrome was once more occupied, he had determined to w

ne, "let me take a look at her, I won't tell a

ssor to the Golden Eagle that we are building," r

een able to speak of his "employer." The word must mean that Frank was building the craft for some rich man. Although Lathrop

ou what it is, Frank, I don't believe you have any 'employers' a

r-ship as proof positive that he was really at work on such a craft, but if

ed, "and now, as we are very busy, I shall have to ask you to

r boy angrily, his temper quite gone now that he saw that

you wouldn't show me the shi

of talk, re-entered the aerodrome the Beasley boy,

his, Frank Chest

used to let him see irritated him almost past bearing. When he shouted at Frank his last words they were dictated by his anger, more than by any real intention of carrying out any plan of revenge for the fancied slight;

without being seen. The man who had uttered the threat that had brought him to a standstill was a person bearing every evidence of being of the genus-tramp, that is so far as his clothes went. But his white hands and carefully kept nails showed that he had assumed the rags he wore as a disguise. His companion was a m

iscovers

achine finished yet?" asked t

time," rejoined the other. "I think, though," he resumed, "that it must be so far advanced that if we can wr

. "Thank goodness we are now in possession of their plans at any event. Don't you think we might h

gave a s

ith their air-ship I'd gladly do it. I'd like to treat them as we mean to d

" demanded the other with so

es too much trouble. They are going to put him to work in the

the concealed boy could

rrible plac

for men of his caliber

y a fate for him as being co

defied them to kill him before he would aid them to manufacture his e

ed the other worthy, "but he'

understand that a plan was on foot to blow up the boys' aerodrome, destroy their ship and possibly injure themselves. As the men's footsteps died out, as they wa

n who had seized him was the one who had assumed the costume of a tramp. His eyes blazed with rage. He had hurried back to get his knife,-which had dropped from his pocket as he sat talking,-a few seconds after Lathrop had left his place of concealment. As luck would have it, in pushing through t

that clutched like a vice, Lathrop rea