The Dynamic Dynamo.

I am on slightly firmer historical ground here. The brochure dates the Dynamic Dynamo to 1925 and identifies it as 'the first electrified workstation.' Both are approximately true of an actually-existing class of devices the brochure could plausibly be drawing on. Western Electric's Hawthorne Works — the Cicero, Illinois telephone-component plant where the Hawthorne studies were conducted from 1924 to 1932 — had electrified assembly stations from approximately 1922. By the late 1920s the same factory had introduced seated stations for fine-component assembly: integrated electric work-light operated by a knee toggle, magnifier on a swing-arm, foot-pedal that controlled the workpiece-holder's rotation. There is no surviving record I have located of any of these stations being called the Dynamic Dynamo. The name is the brochure's invention. The configuration is approximately faithful to the period.

The 1925 electrified-seated configuration accomplished one thing of significance: it integrated the worker's hands, eyes, and foot into the assembly process without leaving the operator a body-part that could rest. The 1900 reaper-operator could relax their hands when the horses were going straight; the 1925 assembly worker could not relax anything. The chair, by 1925, had become the configuration that captured the entire operator at once. The Hawthorne studies famously found (or famously appeared to find, depending on which historiography one trusts) that productivity rose when the operators believed they were being observed. The contemporary frame would call this an early demonstration of what this project calls Feedback Rituals — the productivity gain that comes from being inside an observation loop. The Hawthorne discovery is, in this frame, the apparatus working as designed, in 1925.

The 1930s extended the configuration to scale. Ford's River Rouge plant operated, by 1936, what was at that point the largest seated-electrified assembly operation in human history: approximately twenty thousand seated workers, each at a station, each integrated into a moving line whose pace was set centrally. The configuration the contemporary chair makes legible in a single piece of furniture was, by 1936, an entire industrial city. The brochure mentions a 1940s 'field-deployable variant' of the Dynamic Dynamo. There is, in fact, a real device this could be drawing on: the M-209 cipher machine, which Allied infantry carried from 1942, and which had a seated operating configuration. I would not have included the wartime variant if I were writing the brochure. It does not strengthen the lineage. It only extends it into a domain (military intelligence) the brochure has otherwise been careful to avoid.

By 1945 the apparatus's seat had appeared in the agricultural field, the assembly line, the field-cipher position, and the office. The 1925–1945 period is the period in which the seat became, for the first time, the default working position of the American century. The chair, in 2024, is the last position remaining. I have been told, by colleagues older than me, that there is something specifically American about the centrality of the seated working position. I am not sure I believe this. The Soviet first-five-year-plan factories, by all accounts, also seated their assembly workers. The configuration is, on my current reading, capitalist-modernist; the American framing is incidental. I am open to being corrected.