Pre-final Flashcards
(75 cards)
-LOOKING THROUGH ODD PIECES OF GLASS.
-EVEN PRIMITIVE PEOPLE COULD BECOME AWARE OF THE MAGNIFYING POWER OF A CRUDE LENS.
HISTORY OF LENS
-WHEN HELD IN SUNLIGHT, THE FOCUSING POWER OF CRUDE MUST ALSO HAVE BEEN NOTICED.
EVOLUTION OF SPECTALES
IN ANCIENT TIMES:
-SOMEONE NOTICED THAT CONVEX-SHAPED GLASS MANIFIED IMAGES.
-SOMETIMES BETWEEN THE YEAR 1000 AND 1250 :
-CRUDE TECHNOLOGY BEGAN TO DEVELOP REGARDING READING STONES
-SIMPLE MAGNIFIERS
(EARLY 12TH-13TH CENTURY)
-WE’RE FASHIONED DISCOVERY OF GLASS IS BELIEVED TO HAVE OCCURED IN SYRIA
-WHEN SUFFICIENTLY CLEAR GLASS WAS LATER PRODUCED
-BOTTLES COULD BE MADE THAT WHEN FILLED WITH WATER
-IT CAN REFRACT LIGHT TO SHOW MAGNIFICATION OF SMALL DETAIL.
LENSES
Where is the discovery of glass is to believe to have occured
SYRIA
SOON BECAME THE CENTER OF EARLY GLASS INDUSTRY
EGYPT
-WITH IRREGULAR PIECES OF GLASS,THE PRISM EFFECT OF PRODUCING COLORS IS OBSERVED.
-FIRST CENTURY A.D., THE ROMANS STOIC PHILOSOPHER SENECA
-DESCRIBED THE PRISM EFFECTS AS WELL AS THE MAGNIFICATION OF MINUTE LETTERING.
-THAT BECAME LARGER AND CLEARER WHEN VIEWED THROUGH A GLASS BULB FILLED WITH WATER.
EARLY 12TH-13 CENTURY
-FIRST CENTURY A.D., THE ROMANS STOIC PHILOSOPHER.
-DESCRIBED THE PRISM EFFECTS AS WELL AS THE MAGNIFICATION OF MINUTE LETTERING.
SENECA
KNOWN AS THE FIRST OBSERVE CHINESE USING SPECTACLES IN 1270 DURING VISIT TO CHINA
MARCO POLO
CHINESE CLAIM THAT EYEGLASSES CAME INTO EXISTENCE IN
ARABIA IN THE 11TH CENTURY
-AN ENGLISH FRANCISCAN FRIAR
-INVENTOR OF MAGNIFYING GLASS
ROGER BACON 1220-1292
MANUSCRIPT CALLED ____ NOTED THAT LETTERS COULD BE SEEN BETTER AND LARGER WHEN VIEWED THROUGH A SPHERE OF GLASS
OPUS MAJUS
CLAIMED FOR THE 1ST TIME THAT SUCH _____ COULD ASSIST ______or VISION OF AGED PERSONS.
SPHERES, WEAK EYES
EARLY 12TH-13TH
-CALLED THE FATHER OF OPTICS
-DISCOVERED GLASS SPHERES
-USED GET RID OF PRESBYOPIA
-ARABIAN, MATHEMATICIAN,OPTICIAN,ASTRONOMER IN CAIRO
ALHAZEN (1268-1289)
-USED AS A HANDHELD ITEM
-PEOPLE USED TO PLACE IT ON THE READING MATERIAL.
READING STONE
DEVELOPED IN NORTHERN ITALY WHERE IN THE 11TH CENTURY THE INDUSTRY FLOURISHED IN
-PISA
-VENICE
-ISLAND OF MURANO
BIRTH OF OPTICAL INDUSTRY PROBABLY OCCURED THERE, WITH THE INVENTION OF
CORRECTIVE SPECTALES AROUND 1285
SPECTACLES HAD BEEN INVENTED DURING THE ARRIVAL OF THE _____ IN 1440 A TECHNOLOGICAL DEVELOPMENT THAT ENSURE THE FUTURE WIDESPREAD NEEDS FOR SPECTACLES.
PRINTING PRESS
-Were the first to prouduce magnifying glass.
-later produced lenses which could be placed in a frame in front of the eye
-insted reading math
Venetian glass blowers
The idea to frame two ground glasses took place
13TH century
“OLDEST SPECTACLES” FROM PAINTING BY ________ IN ITALY 1352
TOMMASO DE MODENA
CONSISTED OF 2 LENSES IN RIMS JOINED CENTRALLY
13th century
SPECTACLES BECAME MORE WIDE SPREAD IN USE MAINLY FOR ELDERLY.
17th century
SPECTACLES IN THE 17TH DID NOT HAVE SIDES OR TEMPLES TO HOLD THE LENSES BUT THE NOSE IS PINCHED
PINCE-NEZ
