Dating antique sewing machines
Singer can tell you that it's quite a chore to build features into a machine like this ... And they're frank to give Doehler-Jarvis major credit for making their job easier with a new method for designing and producing precision parts. That means 99% of all the NA serial numbered sewing machines were not made in 1951.
We call this precise new way of making things, "Tripod-Control Dimensioning". With it they could control precision of and between two (or more) die castings of an assembly. 1952-1957 The majority of Singer 301/301A sewing machines where made between 1952-1957.
This new slant-needle sewing machine would become the Singer Model 301. By the time the "Slant Needle" model came along, "Tripod-Control Dimensioning" had grown to a full-fledged design and production technique . Singer's new 160th Limited Edition is Inspired by Classic design, modern features and traditional touches.
Ironically, it has the same number as the stitch type it sews - Stitch Type 301 - Lockstitch. The Singer 160 is made of plastic and weighs 18.6 lbs.
"Represents the Ultimate in Sewing Machine Design and Styling" "The Slant-Needle Sewing Machine Is All About Precision" "The World's Finest Straight Stitch Sewing Machine" "The Most Modern, Streamlined Machine Ever" "The Best Sewing Machine Ever Made" "The Last Word In Sewing Ease" "The Famous Singer 301" "Read About Me" "Legendary" "301" Slant-Needle After World War II, 1939-1945, most sewing machine manufacturers were marketing the same machines they sold prior to the war.
Singer with the Models 99-13, 128, 66-18, 15-88, 15-91, 201 and 221.
It has been found that if the parts are inclined less; than about eight degrees from vertical, a clear stitching point is not obtained.
It was patented to Singer Manufacturing Company on 5 February 1946. you never saw production flow more smoothly when complex precision parts are made by one company, finished and assembled by another. (Made of die-cast aluminum for light weight and sturdiness) In the photo above the two major Doehler-Jarvis die castings that frame "Singer's new Model 301" have been assembled, then sliced down the middle to show the (Tripod-Control) method.
a Big Sister or Big Brother to the 221 Featherweight, a nickname wrongly used implying they are from the same family.
In November 1944 Singer applied for a patent that relates to sewing machines and it has a primary objective to provide an improved sewing machine which will afford better visibility at the stitching point.
The needle-bar and the presser-bar are inclined rearward between eight and sixteen degrees to a vertical plane.
It was extremely reliable designed to withstand the daily abuse from high school students. Machine With All These Other Smooth Sewing Features!
For better visibility when sewing it had a nine degree inclined needle-bar referred as a Slant-Needle that would utilize slant shank feet, a proprietary of Singer system. * Wide Range Speed Control * Starts at a Touch * Both Knee & Foot Control * Seam-Width Guides *Flexible Spool Pins * Simplified Threading * Automatic Bobbin Winder * Sews Forward or Back * Non-Glare Light * Hand Stitch Regulator * Accurate Tension Dial * Drop Feed Principal Parts of a Singer Model 301 Singer 301 Features: The date of August 12th is used in celebrating Singer Anniversary's, as marked by the issued patent of the first Singer sewing machine by Isaac Merritt Singer on August 12, 1851.
The slant-needle sewing machine would revolutionize the sewing-machine-of-tomorrow. The Singer Model 301 tested at 1600 stitches per minute with 1500 spm being a safe figure to publish.