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| - John Lethbridge (1675 - 1759) fut un marchand anglais connu pour être l'inventeur d'une des premières machines de plongée sous-marine de l'époque moderne. (fr)
- John Lethbridge (1675 - 1759) inventou a primeira máquina subaquática de mergulho em 1715. Ele vivia no condado de Devon, no Sudoeste da Inglaterra e teria tido 17 filhos. John Lethbridge era um comerciante de lã com base em , e inventou tal máquina em 1715, tendo sido usada para resgatar valores de naufrágios. Esta máquina era um barril de carvalho hermético que permitia "ao mergulhador" submergir o suficiente para recuperar o material subaquático. (pt)
- Ο Τζον Λέθμπριτζ (αγγλ. John Lethbridge, 1675–1759) επινόησε την πρώτη καταδυτική συσκευή το 1715. Έζησε στην κομητεία Ντέβον στη νοτιοδυτική Αγγλία και φέρεται ότι είχε δέκα επτά παιδιά. Έμπορος μαλλιού στο χρησιμοποίησε την εφεύρεσή του για την ανάκτηση πολύτιμων αγαθών από ναυάγια. Η συσκευή του ήταν ένα στεγανό δρύινο βαρέλι που επέτρεπε στον δύτη να μένει υποβρυχίως αρκετά, ώστε να ανακτήσει ό,τι ήθελε από τον βυθό.
* τέσσερα αγγλικά πολεμικά πλοία
* ένα της εταιρίας ανατολικών Ινδιών, αγγλικών και ολλανδικών συμφερόντων
* δύο ισπανικά και αρκετές γαλέρες. (el)
- John Lethbridge (1675–1759) invented the first underwater diving machine in 1715. He lived in the county of Devon in South West England and reportedly had 17 children. He is the subject of the Fisherman's Friends song John in the Barrel. John Lethbridge was a wool merchant based in Newton Abbot who invented a diving machine in 1715 that was used to salvage valuables from wrecks. This machine was an airtight oak barrel that allowed “the diver” to submerge long enough to retrieve underwater material. In Lethbridge’s words: Lethbridge is buried in Wolborough church, Newton Abbot. (en)
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| - Ο Τζον Λέθμπριτζ (αγγλ. John Lethbridge, 1675–1759) επινόησε την πρώτη καταδυτική συσκευή το 1715. Έζησε στην κομητεία Ντέβον στη νοτιοδυτική Αγγλία και φέρεται ότι είχε δέκα επτά παιδιά. Έμπορος μαλλιού στο χρησιμοποίησε την εφεύρεσή του για την ανάκτηση πολύτιμων αγαθών από ναυάγια. Η συσκευή του ήταν ένα στεγανό δρύινο βαρέλι που επέτρεπε στον δύτη να μένει υποβρυχίως αρκετά, ώστε να ανακτήσει ό,τι ήθελε από τον βυθό. Έχοντας δοκιμάσει την κατασκευή του στη λίμνη του κήπου του, που φτιάχτηκε ειδικά για αυτόν τον σκοπό, ο Λέθμπριτζ καταδύθηκε σε έναν αριθμό ναυαγίων, στα οποία περιλαβάνονταν:
* τέσσερα αγγλικά πολεμικά πλοία
* ένα της εταιρίας ανατολικών Ινδιών, αγγλικών και ολλανδικών συμφερόντων
* δύο ισπανικά και αρκετές γαλέρες. Έγινε ιδιαίτερα πλούσιος εξαιτίας της ναυαγοσωστικής του δράσης. Μία από τις γνωστότερες ανακαλύψεις του ήταν το ολλανδικό Slot ter Hooge, που είχε βυθιστεί στη Μαδέιρα, με τρεις τόνους ασήμι στα αμπάρια του. Ο Λέθμπριτζ τάφηκε στην εκκλησία Γουολμπόροου, στο Νιούτον Άμποτ. (el)
- John Lethbridge (1675–1759) invented the first underwater diving machine in 1715. He lived in the county of Devon in South West England and reportedly had 17 children. He is the subject of the Fisherman's Friends song John in the Barrel. John Lethbridge was a wool merchant based in Newton Abbot who invented a diving machine in 1715 that was used to salvage valuables from wrecks. This machine was an airtight oak barrel that allowed “the diver” to submerge long enough to retrieve underwater material. In Lethbridge’s words: It is made of wainscot perfectly round, about 6 feet in length, about 2 feet and a half diameter at the head, and about 18 inches diameter at the foot, and contains about 30 gallons; it is hooped with iron hoops without and within to guard against pressure. There are two holes for the arms, and a glass about 4 inches diameter, and an inch and a quarter thick to look through, which is fixed in the bottom part, so as to be in a direct line with the eye, two airholes upon the upper part, into one of which air is conveyed by a pair of bellows, both which are stopt with plugs immediately before going down to the bottom. At the foot part there’s a hole to let out water. Sometimes there’s a large rope fixed to the back or upper part, by which it’s let down, and there’s a little line called the signal line, by which the people above are directed what to do, and under is fix’d a piece of timber as a guard for the glass. I go in with my feet foremost, and when my arms are got through the holes, then the head is put on, which is fastened with screws. It requires 500 weight to sink it, and take but 15 pound weight from it and it will buoy upon the surface of the water. I lie straight upon my breast all the time I am in the engine, which hath many times been more than 6 hours, being frequently refreshed upon the surface by a pair of bellows. I can move it about 12 foot square at the bottom, where I have stayed many times 34 minutes. I have been 10 fathoms deep many a hundred times, and have been 12 fathom, but with great difficulty After testing this machine in his garden pond (specially built for the purpose) Lethbridge dived on a number of wrecks: four English men-of-war, one East Indiaman (both English and Dutch), two Spanish galleons and a number of galleys. He became very wealthy as a result of his salvages. One of his better-known recoveries was on the Dutch Slot ter Hooge, which had sunk off Madeira with over three tons of silver on board. Lethbridge is buried in Wolborough church, Newton Abbot. In 2006, a revamped survey vessel was christened after John Lethbridge. (en)
- John Lethbridge (1675 - 1759) fut un marchand anglais connu pour être l'inventeur d'une des premières machines de plongée sous-marine de l'époque moderne. (fr)
- John Lethbridge (1675 - 1759) inventou a primeira máquina subaquática de mergulho em 1715. Ele vivia no condado de Devon, no Sudoeste da Inglaterra e teria tido 17 filhos. John Lethbridge era um comerciante de lã com base em , e inventou tal máquina em 1715, tendo sido usada para resgatar valores de naufrágios. Esta máquina era um barril de carvalho hermético que permitia "ao mergulhador" submergir o suficiente para recuperar o material subaquático. (pt)
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