Happy Peterson System Pipe Day! Today marks the anniversary of Charles Petersonās famous System Pipe! It was 124 years ago that Charles Peterson received the final patent of his System Pipe, the āP-Lipā or āPeterson-Lipā mouthpiece. The P-Lip has a graduated bore that runs from roughly 5mm at the tenon and 1.5mm at the P-Lip button, which has a hole at the top of the button instead of a flat, āfish taleā button. Hereās a very brief history of Petersonās System Pipes from Petersonās website: In 1890, after 15 years of handling and repairing pipes while working for the Kapp [brothers], Charles Peterson secured a patent in his own name, titled āA certain new and useful improvement in Tobacco-Pipes,ā which introduced a unique system comprised of a higher draft hole and a moisture reservoir bored into the shank and transition of a briar pipe. Over the next eight years, Charles continued to refine his System, applying for and securing patents for a graduated bore mouthpiece (1891), and a u...