Boracure PROVED EFFECTIVE by independent NZ: Scientist See "Tests wIth Timber Preservatives in New Zealand by J M Kelsey-_The N.Z Journal of Science & Technology, Once again science justifies the use of Boracure: Vol. 27 , Moy 946, P.446. Write to In tests of various wood-treating preparations, Boracure for reprint: entomologists of the Department of Scien tific and Industrial Research demonstrated that Boracure S oil-soluble toxic (Pentachlorphenol) was entirely effective in the control of wood-boring insects- In these tests, which covered several years investigation, specimens of timber were impregnated with various oil-soluble and water-soluble toxics and subjected to borer attack: Pentachlorphenol came through with fying colours. For instance, EGG LAYING TESTS WIth PENTACHLORPHENOL WITH WATER SOLUBLES Pentachlorphenol treat Even untreated control Eggs were Jaid almost 15 Placing untreated control ed blocks 'had No EGGS blocks had no eggs laid on: freely on blocks treated blocks along side those laid on them in any tests them when used in tests with water soluble toxics treated with water sole and beetles themselves near pentachlorphenol- as on untreated control ubles did not prevene died in shorter time treated blocks: blocks alongside_ Beetles profuse e88 aying on than when in the presence did not die; eggs hatched controls during tests: 0( water soluble ces� and grubs lived for a con- specimens_ siderable times Pentachlorphenol proved to be extremely toxic to Borer insects which died without laying eggs I even on untreated timber in the same cage LARVAE TESTS Eight months later che Llve grubs were placed blocks were split open: In In holes bored in blocks PENTACHLORPHENOL each 0f which was treated TREATED BLocks ALL with different wood- ThE G RUBS WERE preserving chemical: DEAD, which was not S0 with many other toxicse BORACURE FOR RESULTS ! Insist on genuine Boracure treatment: All Boracure men have an identifying lapel badge incorporating the Spray Man. 73 BBORACURE Nwltd 217 Lambton Quay, Wellington: Phone 40-050 W E. woods LTD LAMBTON QUAY For WELLINGTON COUGKS & COLDS Ib7 Wd@ds CREAT (PEPPERMINT CURE
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New Zealand Listener, Volume 17, Issue 439, 21 November 1947, Page 31
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331Page 31 Advertisement 1 New Zealand Listener, Volume 17, Issue 439, 21 November 1947, Page 31
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