Life, 1918-09-26 · page 29 of 33
Life — September 26, 1918 — page 29: what you’re looking at
What you’re looking at
This is **not a cartoon or satire**—it's a vintage advertisement for Timken-Detroit truck axles, appearing in *Life* magazine (page 461). The ad uses a pedagogical "Things You Can See / Things You Can't See" format to market commercial truck components. The left side shows a photograph of an actual axle assembly; the right displays a technical diagram of internal mechanisms. The copy emphasizes durability and reliability: Timken-Detroit axles have supposedly run for six+ years without wear, and trucks equipped with them allegedly achieved 3-4 times the mileage previously considered possible. The "Things You Can't See" section highlights the hidden engineering—worm-drive mechanisms, continuous oil lubrication, and fewer moving parts—framing invisibility as a virtue (internal strength and protection). This reflects early 20th-century advertising strategy: using technical explanations and comparative demonstrations to establish brand superiority for industrial/commercial products. There is no political satire or caricature present.
📄 Transcribed text from this page (OCR, searchable)
Machine-transcribed from the original scan — historical spelling and the odd misread are preserved.
"LIFE: Things You Can See The less you can see of a motor truck axle the better; because durability, economy and successful operation depend on having vital working parts inclosed ina dust-proof, mud-proof, oil-tight housing. But you can see—and you should look for—the one-piece unit construction that means strength— the tubular housing that gives greatest load-carrying capacity for the least weight of metal. You can also see the big powerful brakes, and the single open- ing through which complete lubrication of a// the working parts is effected in the easiest and most efficient way. Thus the main factorsin carrying (he load, stopping theload and reducing care and attentior are evident at a glance. Inover six years use since the first Timken-Detroit Worm Gear was installed in a truck not one has ever been worn out by any cause that could be even remotely traced to its worm-drive principle. And yet. these worm-cquipped have averaged anywhere from three to four times nge considered possible prior (o the introduction of worm drive. Things You Can’t See Inside that sturdy housing, out of sight, is the vital Joad- driving mechanism on which to a great extent profitable opera- tion of the truck depends. In this Timken-Detroit Axle, rear drive is reduced to the simplest form—two strong, practically indestructible units and a single reduction. Worm and worm wheel run in a continuous bath of oil flow- ing over every working part as the truck moves. Worm drive includes the three vital essentials to long life— fewest possible parts; direct, positive, continuously flowing lubrica- tion ;and absolute protection from foreign substances to cause wear. W THE TIMKEN-DETROIT AXLE COMPANY Detroit, Michigan Oldest and largest builders of front and rear axles for both motor cars and tr.cks. TIMKEN: DETROIT FRONT and WORM: DRIVE REAR AXLES For Efficient COMMERCIAL Haulage comicbooks.com