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thick. it may interfere with such appli> cations as where scvcral iul>c pins are going to be inserted into a single socket. The stages in this procedurę are shown in Fig. 2.

If you wish a neat-appearing finished product. the soldering iron may l>e used io smooth over the piastic. Then. be-fore the polyethylenc is cool, this in-sulation can l>c rolled over a shect of smooth. oiled metal.

To make up lead-to-lcad conneciors. for use where long leads are needed. solder a couple of llattened pin grip-pers together back-to-back. in the manner shown in Fig. 4B. Make surę they are spaced sufTiciently a part so that cach of two tubo pins can be inserted fully, as shown by the liner broken linę in Fig. 4B. To insure this spacing, a couple of pins should be inserted temporarily, as they musi he in place for the next step anyhow: they will prevent piast ic from clogging up the gripper openings. Now cover the grippers with a jacket of insulating polyethylcne in the manner alrcady described. as shown in Fig. 4B. A razor

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ORDER »V •IACK.TYPI MCAOLINCS. i.e. 70 HI Q ii* SI STO AS. Alle. State pr.ee with rj ch ilrm. Send c»»rc»i or ^M O including %uM.c«ent pottAgr; f»(fn returned. C.O.O o'der« 2S% down. r.»ied. nr! 30 day%. iNCtUOf POSTAŁ ZOnE in addrm. (CarudA PotUor. 4AC lit Ib.; 2SC CM. Add'l Ib.)

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Student* nudy enemeenng undrr nccclcrnled program Ir ad Ing to B.S. dfRTfr In 27 mo.; or •inml.ird 4«y_r. pro-jrram leadln? to B.E degreg In 1A mo. B.S. •icifTec I3M mo i In Maih.. Chem. I"hvafte» Ycar-round rlataea. Com* prrhrni|vt    Baltong In    electronlr*.    lelevi»lon.    advnnced

radio theory ahd dnltn. math.. nuelear phytlr* nnd ciec. fnim.-cr.nj! AI«o o rep rourte*. Low ratę Fnrn boąrtf. C l. «H»rovfil. Kotce lice . Marrh. June. »ept CaialoK.

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9109 C. WanMngton Blvd.. Fort Wiym 2. Indiana Pleaar Ftnd me fre# Information on B.S. ENOINEOIING nrCHKE IN 27 MONTIIS a* Cherktd.

Sliecfron ct    Q Chemical    O Aeronawtical

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B.S. OCGNCŁ tN 3« mo. in O Math. O Ch»m. O Phyatca

Nimr A o d r •

159

Ocłober. 1959