Life, 1920-10-07 · page 7 of 56
Life — October 7, 1920 — page 7: what you’re looking at
What you’re looking at
This is primarily a **product advertisement**, not satire or political commentary. The page promotes Waltham watches, specifically their "Scientific Main Spring" mechanism. The ad claims Waltham's innovation solves a technical problem: creating a watch mainspring with consistent tension throughout its length, which was difficult to manufacture. According to the text, inventor John Logan solved this by designing a reverse curve that maintains equal power delivery over 24 hours of unwinding. The decorative illustrations show the Waltham Colonial A watch model and technical diagrams of the mainspring's unique curve design. The ad positions Waltham as scientifically superior ("The Most Scientifically Built Watch in the World"), appealing to early 20th-century consumer trust in technological progress and precision engineering.
📄 Transcribed text from this page (OCR, searchable)
Machine-transcribed from the original scan — historical spelling and the odd misread are preserved.
SCIENTIFICALLY BUT WAT IN Tit m| WORLD Waltham Colonial A Extremely thin at no sacrifice of accuracy Maximus movement 21 jewels Riverside movement 19 jewels $200 to $325 or more depending upon the case The Waltham Scientific Main Spring — The Power That “ Drives” Your Watch gasoline is to an automobile — the power that drives the mechanism. With this difference —that the Main Spring of a watch must supply power with aconstant and even tension— with no acceleration or diminution in order to secure accurate time-keeping. A Main Spring should measure in length, width and thickness correctly for the particular size of watch it is to fit—as, for example, a Main Spring for a gentleman’s size high-grade watch should measure 25 inches in length and be approximately three times the thick- ness of a human hair. The problem that confronted watch- makers was to produce a Main Spring without any variation of thickness for its entire length. This problem was solved by John Logan, an inventor of ‘Te Main Spring is to a watch what the Waltham Watch Company, who perfected: a method and created the machines which have made Waltham the largest and most famous Main Spring producers in the world. The superior time-keeping ability of Waltham Watches created a world demand for Waltham Main Springs. You will observe in the illustration (above) that a unique feature of the Waltham Main Spring is the reverse curve, so difficult to produce, yet so essential to time-keeping dependability. This reverse curve adds power as the spring tension diminishes, giving the Waltham Watch an equality of motive power during the twenty- four hour interval of winding. From the brief description and proof it is easy to understand that the unscientific hand-made Main Spring will cause erratic time-keeping and dissatisfaction, The Waltham Scientific Main Spring protects the money you pay for a watch and provides another important reason why your Watch Selection should be a Waltham. This story is continued in a beautiful booklet in which you will find a liberal watch education. ‘Sent free upon request. Waltham Watch Company, Waltham, Mass. WALTHAM THE WORLD'S WATCH OVER TIME comicbooks.com