Page 3 Advertisements Column 2

Greymouth Evening Star, 11 February 1929, Page 3

AN EXPRESSIVE NEW WORD — OF VITAL INTEREST TO MOTORISTS appotenic ( : ap' p o -ten" ik ) THIS is a new word. You will not find it in any dictionary, It is not to intrigue you that this new word has Noi lof a Series. been coined, but because the motorist’s vocabulary is incomplete without it. This is how it is derived: From the Latin, ad (ap), meaning added to; and potens, meaning powerful. This is its definition: appotenic: possessing increased power; said of a gas that, being stable to heat and high compression, will therefore neither audibly nor silently “knock” in a high compression engine. TO give a new word to a language is no new thing. Scientists frequently have had to do so. A new quality, a new found substance, calls for a term, and the scientist making the discovery gives it a name -if not his own, then one which sums up in a single word the virtues of his discovery. In just such a manner this word “appotenic” originated. It came about like this. A natural inherent quality in Plume Motor Spirit demanded a word that would embody the definition given above. The word “power” is not enough. The phrase “power without knocking” is not enough. The word wanted was a term to explain that remarkable ability of Plume to resist high temperatures and high compressions; to overcome not only knocking which is audible, but also , the silent HL -oir a * oss P ower inside the combustion chamber. And “appotenic” is the term. , r B ''HIS word goes right to the heart of motor s P* rit SuaUty-of combustion -of motor engine : efficiency. Appotenic quality goes right to the cause of the knock problem and solves it. This i s w hy “appotenic” is a most important word in the motorist’s vocabulary. •’ In future announcements we will give you further information about the word “appotenic” and the vital message it reveals. -A ’■ VACUUM OIL COMPANY PTY- LTD. M