Depending on the size of the needle it will sew canvas, thick linen and very coarse cotton such as sailcloth. Parts are replaced with good used Singer parts where needed. NOTE: look at the pictures carefully to see the condition of this machine.
Singer 15-91 Industrial - Thomas's Sewing Machines
Demonstration Video of a Singer 15-91 Sewing Machine
SERVICED HEAVY DUTY Vtg Sewing Machine Turquoise Blue Singer 15 Clone Leather + £282.30 - PicClick UK
SINGER SEWING MACHINE 1957 gear drive heavy duty Model # 201-2 $150.00 - PicClick
MÁQUINA DE COSER Singer 401G limpiada y reparada buen estado SN PB031222 401A EUR 293,56 - PicClick ES
Singer 15-91 Sewing Machine 1946 Gear Driven Heavy Duty Serviced Works Perfectly
Singer Model 15-91 – Professionally Restored Vintage Fine Quality Sewing Machines
SINGER 15-91 Black Collectible Sewing Machines for sale
胜家15-91 黑色收藏缝纫机
Singer Heavy Duty Sewing Machine Model 15-91. Made in Ontario, Canada at St. Jean-sur Richelieu Factory. Year: 1948 - 1954. The 15-91 model was
Singer Model 15-91 Sewing Machine
The Vintage Singer Sewing Machine Blog: Reader Questions: Eric's Knee-Operated 15-91