Jigsaw puzzle

Tavsif

The engraverand cartographer John Spilsbury, of London, is believed to have produced the first jigsaw puzzle around 1760, using a marquetrysaw . Early jigsaws, known as dissections, were produced by mounting mapson sheets of hardwoodand cutting along national John Spilsbury' s "Europe divided into its kingdoms, etc. " (1766). He created the jigsaw puzzle for educational purposes, and called them “Dissected Maps”. boundaries, creating a puzzle useful for the teaching of geography. Such " dissected maps" were used to teach the children of King George IIIand Queen Charlotteby royal governess Lady Charlotte Finch. The name "jigsaw" came to be associated with the puzzle around 1880 when fretsawsbecame the tool of choice for cutting the shapes. Since fretsaws are distinct from jigsaws, the name appears to be a misnomer. Cardboardjigsaw puzzles appeared during the late 1800s, but were slow to replace the wooden jigsaw due to the manufacturer' s belief that cardboard puzzles would be perceived as being of low quality , and the fact that profit marginson wooden jigsaws were larger .  

Hujjat haqida

Kategoriya

Amaliy ishlar | Ingliz tili

Format

PPTX

Hajmi

11 bet

Fayl hajmi

1.26 MB

Muallif

KSEROKS 001

Qo'shilgan

18.11.2024