Show oi M H-M-H-frH-H I H I r H I I- I Ir r I r tH H C i It f 1 H rHo HH H HH H K KH H I I II I H H. Portable Telephones for Forest Servi Service e f. oI 1 L. J A iK Portable telephone made of I aluminum and weighing two and one-half one pounds the invention of a forest officer R n. B B. B Adams of or n s 1 win will oe tie part pan o ot of tho regular regular regular reg reg- ular equipment of patrolmen on all the national forests the coming field sea sen- son Eon This instrument is regarded as asa asa a n great improvement over the set I formerly used which weighted weighed ten pounds A field man roan equipped with wilh this telephone a few Cew yards ards of oC light emergency emergency emer emer- gency genc wire and a short piece of heavy wire to make the ground connection I can out cut I t f In l anywhere nY along I ng the more more j wan man tunes miles of ol forest lorest service i telephone lines and get in touch with the headquarters of a supervisor or I district ranger ronger To talk talle one end of the emergency wire is thrown over O I I the line the two ends are connected to the portable instrument I and the Instrument is connected to the ground wire the end of which must roust he thrust into the damp daml earth I or in water Contact with the lino lipe wire two is made possible by removal i of or the thc insulation from a few inches I L. L T TT of or the em vii e edams 9 dams instrument does docs not the bell of the receiving tele tele- phone but instead causes a a screeching screeching screeching screech screech- ing sound from a small megaphone megaphone- shaped apparatus descriptively known mown as a howler hower This Instrument instrument instrument ment is installed at the ranger station station sta sta- tion telephone and is said to give i effective notice that someone Is on the wire If the field man needs to talk talle with someone elsewhere on the theline theline theline line the lie ranger station instrument can be used to ring up the person wanted when the conversation can be carried on I These portable phones are especially lally valuable In n reporting fires and other emergencies with the least possible pos pos- sible delay and also in sending instructions instructions instructions in in- to field men anc and keeping the district rangers posted as to the progress of or work in the field thus supplementing th the regular telephone sets fn installed at lookout points ranger stations and convenient in intervals intervals in- in along forest service roads and trails |