National Geographic : 1942 Aug
INKS CAUSE ABOUT TWO THIRDS OF THE PEN TROUBLES Parker pen experts urge ALL pen users to Change to the Ink containing solv-x -the magic new ink ingredient that cleans a pen as it writes-a Parkeror ANY OTHER pen -an ink that ends clogging, checks corrosion and rubberrot, due to pen-wrecking inks. How Quink Excels 1.Contains solv-x- cleans a pen as it writes. 2. Quink dries 31% quicker on paper, than average of four others. 3.In both FOUNTAIN and STEELpens,workslike acharm. 4. PERMANENT Quink is as permanent as the paper! 5. WASHABLE Quink for home and school, washes out without a trace. 6. Quink checks corrosion, and rubber rot. All Brilliant Colors *Black,*Blue-Black, *Royal Blue, Green, Violet, Brown, Red. PEN repair parts are growing scarcer daily. So whether you own a Parker or ANY OTHER pen, you should empty it today and fill it with Parker Quink-a brilliant new Ink developed by the world's leading pen experts, Parker, to guard pens from pen-wrecking inks. Quink protects pens from about two-thirds of the pen troubles. This is done largely by solv-x a rare ingredient in Quink that ac ^. wa^ tually CLEANS A PEN AS IT WRITES dissolves gum and sediment left in your pen by pen-clogginginks. Be sides this, Quink checks corrosion and rubber rot caused by inks strongly acid! To stop exposing your fine pen to failure caused by pen-clogging, pen-corroding inks, you should empty it today and fill it with Parker Quink, containing solv-x. The ParkerPen Co., Dept. NG-8, Janesville,Wis. COPR.1942, THEPARKERPENCo. PvLpi"". 2 II uII|LUI 15, 25¢, up containing magic solv-x "Buy U. S. War Bonds-They Identify You"