Part 21 (1/2)

Don't siht down to the practical part of it and experiment for yourself Every experiment will settle an important point in your mind

ELECTRIC MOTOR OUTFIT No 2226X contains everything needed for sixty interesting and profitable experiive we feel that this is thearticles are included, packed in a wooden box:

THE ”ST J” MOTOR, fully described on another page, is well called ”A s”

THE FIVE-POINT RHEOSTAT is used as a ”starting-box” in the arulate speed (See cut)

THE ELEVEN-POINT RHEOSTAT is used to regulate the ”field-ulation, and for other purposes (See cut)

THE DOUBLE-KEY CURRENT REVERSER is, really, a key, a two-point switch, and a current-reverser combined On this account it can be used in rams (See cut)

THE HANDY CURRENT-DETECTOR is used as a current-detector and as a device for studying the counter-electro

THE TWO-POINT SWITCH is useful in quickly switching the current wherever it is needed, and for many other experiments

THE STRAP KEY protects the batteries and closes the circuit

THE MINIATURE ELECTRIC LAMP AND SOCKET are used in the s and form an attractive addition to the outfit

THE MAGNETIC NEEDLE in the new outfits is nickel-plated and serves as a conetism of the poles, etc

IN ADDITION to the articles mentioned above, the outfit contains a Set of Wires for Connections, a Box of Iron-Filings for studying lines of force, an Experi-Wires, and

THE BOOK OF INSTRUCTIONS, called ”The Study of Electric Motors by Experies, and over 70 illustrations and diagrams Bound in stiff paper

BATTERIES are not included, unless ordered extra Three of our No 1101 batteries cost 36c, and extra postage for 2 lbs

No 2226X--Coht, 3 lbs) 375

THE STUDY OF ELECTRIC MOTORS BY EXPERIMENT

contains Sixty Experiments that Bear Directly upon the Construction, Operation, and Explanation of Electric Motors, together with Much Helpful Information upon the Experireat help to those ant to do real experies, over 70 illustrations and diagrams, and you can not afford to be without it

No R57P--”Study of Motors,” bound in paper, postpaid 035

No R57C--”Study of Motors,” bound in cloth, postpaid 060

Fun With Telegraphy (PATENTED)

TWO GREAT OUTFITS FOR STUDENTS