Thanks to Craig Adams for supplying the original copy of these advertisements. Scans of these advertisements are available at the University of Oregon's Historic Oregon Newspaper site at http://oregonnews.uoregon.edu/lccn/sn83025138/1912-05-09/ed-1/seq-5/ and http://oregonnews.uoregon.edu/lccn/sn83025138/1912-05-09/ed-1/seq-6/.
 
Morning Oregonian, May 9, 1912, page 5:
Oregon Telephone Herald advertisement

Page 6:
Oregon Telephone Herald tease