The telephone is the most popular and widely used means of communication, and has literally changed the world and made it smaller. There have been numerous modifications in the structure and design of the telephone and today you find it in attractive designs and colors. Even though cell phones and wireless technology are more applicable nowadays, a wired telephone can still be found in many households. The invention of the telephone by Alexander Graham Bell has proven a boon to the entire mankind. There is no clear evidence of the origin of the word 'telephone'. It is believed that the word telephone is from the two Greek words, 'tele' meaning 'far' and 'phone' meaning 'sound'.
ELECTRIC IRON
The electric iron was invented in 1882 by Henry W. Seeley, a New York inventor Seeley patented his "electric flatiron" on June 6, 1882 (patent no. 259,054). His iron weighed almost 15 pounds and took a long time to warm up.
Other electric irons had also been invented, including one from France (1882), but it used a carbon arc to heat the iron, a method which was dangerous.
The electric iron was invented in 1882 by Henry W. Seeley, a New York inventor Seeley patented his "electric flatiron" on June 6, 1882 (patent no. 259,054). His iron weighed almost 15 pounds and took a long time to warm up.
Other electric irons had also been invented, including one from France (1882), but it used a carbon arc to heat the iron, a method which was dangerous.
الصفحة الأخيرة
Photocopying machine is an important invention. It is a big box-shaped white metal machine. It is used for copying paper, books issue and newspaper .I can use it by doing the following. First, press the switch on. Then –put the paper on the glass copy board face down . Next, lower the cover. After that, press the keys to enter the number of the copies. Finally push the start button. Photocopying machine Saves time – makes books available to everyone.
لا تنسيييييييييييين تدعين لي بتيسيييير أموري ويحقق لي كل ما ابيه
وبالتوفيق لي ولكـ وللجميييع