Turtle

{
  "id": "MLC-T-IND-007335",
  "term": "Turtle",
  "field": "Industrial and trades",
  "definition": "A heavy, curved cast-iron frame used in historical rotary printing presses to hold and secure a page of type. The type was locked into the turtle, which was then mounted onto the press cylinder for high-speed printing. This method was an intermediate step between flatbed printing and the use of curved stereotype plates.",
  "synonyms": [
    "birdling",
    "chelid",
    "chelonian",
    "shellpad",
    "shield-toad",
    "terrapin",
    "testudine",
    "tortoise",
    "turpin"
  ],
  "subject": "Industrial printing",
  "translations": {
    "de": "Druckform",
    "es": "tortuga",
    "fr": "platine courbe"
  },
  "url": "https://mlchart.com/terminology/industrial/turtle/"
}