Show ISA SA TREE tEE WOOD ot i WEST tIGHTEST OF ALL t KNOWN Vo ro Material Promises Prom ses to Enter Largely I. I Into Comm Commerce ree Da Baa s- s wood one of the te strangest ofes of r. r es e's s products has been found to subStitute for cork Not Kat only Is Ii Ijo e c lightest of all all known woods e less than i half as much as rl t but ut it possesses a awell well remark remark- JI l and strength is iI 3 d as an insulator against heat 1 lias tas a microscopic structure unlike la ot ot any ally other word word- sa says s 's Popular e Magazine e wood comes from a a. a tropical p Ie found und all aJl over tho the northern part South America It H Is especially l dant ant In Hon Honduras Co Costa dosta ta Rica Jamaica and P Panama nama he e tree is easy lo to o cultivate ate and tore tore- is no doubt that the wood in an any Will b be available for future i says th the tho writer It U is entirely ST tree and is found t Li the land has once been eared Cd excepting for a few scattered throughout t the tho tropical forests OF TREE the he trunk of the tree is smooth and 1 nettled mottled gray or white The leaves Ue e young trees are thin and broad to fourteen inches across by stems reaching eighteen es s in length In a single year a a. oung wg tree reaches a height of about and is about four inches in di- di At the tho end of the second year Rl about twenty feet high and atI at 1 I d of five or six abc years may tower tover I e e air from fifty to eighty feet teet J l-a l a trunk from twenty-one twenty to fl Inches in diameter The trees e age ge about board feet of lum lum- n five years yeara Ia tree in groups of males males' oar no riU females The male trees called aIled fL although although- the they appear very i Uh h liI like e the female trees or balsaI balsa are r really ally useless The They are arc v ySo I c as heavy leavy as the female trees betl be be- the they contain more more woody fiber r 6 tl are two species of the the- trees the thet hue hue- balsa and the red balsa The t 1 if- if fr balsa is perfectly white when L J jp I but ut upon aging turns red It fur fur- ur- ur Ish fishes Sl 5 the ba sa batsa sa wood of commerce ed 1 balsa is much heavier and is gist red when cut ed tin In In the canal zone where thousands thousand 3 f ares res were cleared In the fight I. I ga the malaria mosquito th the S r- r have sprung u up up- in great i BASSWOOD be lie wood itse itself resembles basswood I although the annual I ng common to most of our trees are arc S Instead of oI the usual interi inter inter- i mpg ng structure of vo woody dy fiber th the I is s com composed of tiny shaped barrel I e f pure cellulose tissue There t is S 0 other ther known wood with so little a aS tissue in it The cell ceIl structure S ery iry thin and each cell is filled with I I lay Tse dle present process of ot preparing I 1 wood vod for market completely coats coat coatsIe S le Ie walls of the cells with 1 ar without clogging g them anc and I t adding any ny appreciable weight weigh t he wood It is ia thus rendered wat wat- proof and immune to warping o or slitting ll he wood is now used chiefly in iniS 1 a 1 iS making of life preservers rin ring I laYs rafts and other life saving savini for the sea During th the e ar ar the wood was used as filling for fo foS r of flying boats to give them then S u ancy in case the machine dropped i the ito sea at promises to be be one of ot the tb C i important uses for the wood I is 5 I manufacture of r refrigerators Belsa Bela a declared a by refrigerating engineers engineer S be almost a a. perfect insulator insulate r heat At a a. recent nautical ex ex- ex in New York a refrigerator refrigerate r i laHo io ao of ot balsa wood was iced at th the e Inning of ot the show and closed Te Ten n iy ays s later It was opened and some c otIe of ot f Ie Ice still remained hother Important recent develop develop- lent sent is the invention of a container r shIPping p perishable goods over Ion long g Ip III this case balsa woo wood ci just t-Just ts just as a ft vacuum bottle does docs I in a he te goods within from the th e emes Of temperature |