actually be
used in 40 hookups. A basic instrument around which to build
Code-teaching Devices, Blinker Signal Systems, numerous Click
Telegraphs, Buzz Telegraphs, Semi-wireless Telegraphs, several Telephone
Plans, combined Telegraph and Telephone schemes over the same wire,
actual Room-to-room Wireless, etc., etc. Can't begin to tell it all
here. An all-useful instrument with directions. (Weight, 1 lb.) Price
$1.00

2576--THE "WONDERPHONE" is a practical, inexpensive telephone set;
sensitive, strong and well made. Outfit for one station: Receiver,
Carbon Grain Transmitter, both with flexible wires, Combination
Binding-post and Instrument Support, Battery Box, Wire for Connections,
50 ft. of Line Wire, Directions. (Weight, 1 lb.) Price $1.50

2576B2--Same as No. 2576, but with 2 batteries, (Wt. 2 lbs.) Price
$1.75

2582--"SEMI-WIRELESS TELEGRAPH, TELEPHONE, AND ELECTRIC LIGHT SIGNAL
SET." A Combination of the "Wonderbuzz," the "Wonderphone," Night Signal
Attachment, and a Lot of Extras, Line Wire, Etc. A set that beats them
all and does most. No other system does so much for the money and no
other can do so much for ten times the money. A wonder combination of
usefulness. Please read about the "Wonderbuzz" and the "Wonderphone."
The latest word in telegraphy from Cascade Ranch. (Weight, 2 lbs.) Price
$2.75

2582B2--Same as No. 2582 but with 2 batteries. (Wt. 3 lbs.) $3.00

No. STJC--SAVE-TIME-JIFFY-CODE. Learn to send and receive slowly in an
hour or less. In a day you can telegraph in a jiffy, any message,
punctuation, numbers, sentence-signals and the whole business. Every boy
a telegrapher. Fun to make your own Cipher Codes on this as a basis.
Complete, postpaid 6c., two for $0.10

2425--"DANDY HANDIPHONE." An inexpensive house-to-house telephone.
Sensitive, attractive, practical, efficient. Rings bell or buzzer to
call, using dry batteries. Will work as far as any battery-phone, and
farther than many of them. A dandy Handiphone. In preparation.

Be sure to add postage according to weight and zone.

THOMAS M. ST. JOHN, Cascade Ranch, East Windham, N.Y.

***END OF THE PROJECT GUTENBERG EBOOK HOW TWO BOYS MADE THEIR OWN
ELECTRICAL APPARATUS***

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