Two threads, one stitch

Other sources

1. Science Museum Group, "Sewing machine by Elias Howe" (object co44744), Science Museum Group collection, undated ↗collection.sciencemuseumgroup.org.uk
2. OpenStax, Anatomy and Physiology 2e, section 11.5, "Muscles of the Pectoral Girdle and Upper Limbs", Rice University, 2022 ↗openstax.org

Images, slide by slide

Slide 1

A sewing machine needle and presser foot over a lit needle plate, seen through the arm of the machine, with a maker's hands guiding cloth behind itPhoto: RN Collins

Slide 2

A white sewing machine on a dark table, its needle plate lit from above, in a studio cornerPhoto: RN Collins

Slide 3

Code-drawn diagram: a band of cloth with an orange needle thread along the top and a blue shuttle thread along the bottom, the two looping round each other at each stitch, with three numbered stepsImage: RN Collins studio, code-drawn. Checked against Elias Howe, Jr., US patent 4,750, "Improvement in sewing-machines", 10 Sep 1846 ()

Slide 4

Two hands with rings and a watch guide a piece of cloth under the needle of a white sewing machinePhoto: RN Collins

Slide 5

Two hands with a watch work on a gray garment held in a lap, finishing it by handPhoto: RN Collins

Ring frame

Gramaprint duplicator, about 1960 (Ebersdorfer Schulmuseum)Frame: Stefan Kühn, CC0, croppedMuseum or journal record ↗