Air hardening (pilgrim rolling)
The sound of steel hardening after pilgrim rolling. After the termination of pilgrim rolling, certain alloys have to be air-cooled in steps…

Packing : the pins are stitched on the pattern on the pillow to indicate the many changes of direction in the lace making.
Lace is an openwork fabric, patterned with open holes in the work, made by machine or by hand. Lace is often made with cotton thread, although linen and silk threads are still available. Lace is typical of Belgium, where every city has its own stich. The sounds were taken in December 2014 in the Museum of La Fonderie. Claudine has created lace as a hobby for more than 20 years now, using the Brussels stitch.
The sound of steel hardening after pilgrim rolling. After the termination of pilgrim rolling, certain alloys have to be air-cooled in steps…
This recording was made on a Sunday in the Stairwell of the Kunsthistorisches Museum in Wien.
The Adler embroidery machine, model 9-35 (built around 1900), was operated by women in the Vereinigten Wäschefabriken (United Linen Works) Juhl &…
This is a train built in 1912 and a part of the Saltsjöbanan railroad which goes out towards the Stockholm archipelago. The…