![A mysterious industrial sewing machine. It's a Singer 33k 31, and I'm asking for a friend, she's a dressmaker and she wants to use this baby, but first she needs to know A mysterious industrial sewing machine. It's a Singer 33k 31, and I'm asking for a friend, she's a dressmaker and she wants to use this baby, but first she needs to know](https://preview.redd.it/7fz7y09rl5q61.jpg?width=640&crop=smart&auto=webp&s=efaf9103988a8d939e40c16d6f22902dff172d23)
A mysterious industrial sewing machine. It's a Singer 33k 31, and I'm asking for a friend, she's a dressmaker and she wants to use this baby, but first she needs to know
![Singer Class 111 Industrial Sewing Machine Instruction Manual Vintage Original 1963 | The Old Singer Shop Singer Class 111 Industrial Sewing Machine Instruction Manual Vintage Original 1963 | The Old Singer Shop](https://oldsingershop.com/cdn/shop/products/singer-class-111-industrial-sewing-machine-instruction-manual-vintage-original-1963-2_grande.jpg?v=1641612892)
Singer Class 111 Industrial Sewing Machine Instruction Manual Vintage Original 1963 | The Old Singer Shop
![Singer Class 97 Industrial Sewing Machine Instruction Manual Vintage Original 1939 | The Old Singer Shop Singer Class 97 Industrial Sewing Machine Instruction Manual Vintage Original 1939 | The Old Singer Shop](https://oldsingershop.com/cdn/shop/products/Singer-Class-97-Industrial-Sewing-Machine-Instruction-Manual-Vintage-Original-1939-4_grande.jpg?v=1637726020)
Singer Class 97 Industrial Sewing Machine Instruction Manual Vintage Original 1939 | The Old Singer Shop
![Surplus (2) Juki Industrial Sewing Machines & (1) Singer Industrial Sewing Machine in North Las Vegas, Nevada, United States (GovPlanet Item #9825113) Surplus (2) Juki Industrial Sewing Machines & (1) Singer Industrial Sewing Machine in North Las Vegas, Nevada, United States (GovPlanet Item #9825113)](https://cdn.ironpla.net/i/13194/622/e182823a-4b72-4015-b9cf-42188e17daf9.jpg)
Surplus (2) Juki Industrial Sewing Machines & (1) Singer Industrial Sewing Machine in North Las Vegas, Nevada, United States (GovPlanet Item #9825113)
![Singer 191D-30 | SHIPPING INCLUDED! | Straight Stitch Industrial Sewing Machine for Medium to Heavy Fabrics Singer 191D-30 | SHIPPING INCLUDED! | Straight Stitch Industrial Sewing Machine for Medium to Heavy Fabrics](https://imagecdn.sewingmachinesplus.com/media/products/singer/191d-30/machine/191d-30_front.jpg)