In an electric typewriter, the paper and the carriage stay still Paper (wrapped around a rubber roller on the carriage known as the
#Computer typewriter keyboard manual
Manual typewriter, the type hammer mechanism stays still while the There's another big difference from manual typewriters too. The upper- and lower-case versions of each letter are on separate petals too (unlike in a mechanical typewriter, where the upper- and lower-case letters are on Each character is on a separate "petal" of the wheel. You can just about make out the raised letters, in reverse, in the close-up photo on the left. Photo: A daisywheel from an electric typewriter (small photo, inset right) is about as big as the palm of your hand. Much sharper, neater and more even print quality.
With equal force-so a big advantage of electric typewriters is their Because the type is hammered under electrical
Golfball or daisywheel rotate to the right position and then press the Keys on the keyboard are effectively electrical switches that make the Small flower, with the type radiating out from the end like petals. Models use a daisywheel, which looks like a In some models, the type is mounted on the surface of a Most electric typewriters do away with the system of levers and Of the things a typist previously had to do by hand. Typewriters became popular in the mid-20th century, they automated many That's why mechanical typewriters often produce ratherĮrratic, uneven print quality-because it's hard to press keys with the The force of your fingers is what makes the ink appear on Shown in our first few pictures) were completely mechanical.
#Computer typewriter keyboard portable
The first typewriters (and most portable typewriters, like the On this photo, you can also just about see the springs that make the type hammers return to position when they're released (in between the silver-colored legs of the type hammers). Swing the type hammers toward the page when you press a key. Letter or symbol) hits the paper instead. If you press the shift key, the carriage tips up and back so the upper character (an uppercase Lower character (a lowercase letter, number, or symbol) strikes the page. Left: Looking down from the top of the machine with the keyboard on the left.Įach hammer has two characters on it. Photo: Two more views of the type hammers inĪ typewriter. Moves the carriage back to the start of the next line. Then a bell sounds and you have to press the carriage return lever (7). The carriage continues to advance as you type, until you get to So when you hit the next key it doesn't obliterate the mark you've just (the roller mechanism holding the paper) moves one space to the left, When you release the key, a spring makes the type hammer fallīack down to its original position. Type and the paper (5), so the type makes a Just as the type isĪbout to hit the page, a spool of inked cloth called a ribbon (4) lifts up and sandwiches itself between Hammer has the slug of metal type on the end of it. So how do you use it? The basic idea is simple: you pressĪnother lever called a type hammer (3) up A typewriter like this is completely mechanical: poweredĮntirely by your fingertips, it has no electrical or Inīetween, is a complex arrangement of leversĪnd springs. The paper moves from right to left on the carriage at the back. Here's the typewriter with the top cover removed. On the page (just like a toy printing kit or a potato print). The raised letters are molded in reverse so they print correctly With raised letters on them, that make neat, printed marks on the
Write on the page with pieces of type: slugs It's called a typewriter because it lets you Before personal computersĮvery office on the planet (and many homes) had one of these mechanical If you're under the age of 30, it's quite likely you've never even Typewriter and computer keyboard ever made has used this strange sequence of keys. Photo: My first ever, portable, manual typewriter dating from about 1980. So how do they work? Let's lift the lid and look inside! Instead of in simple alphabetical order, is a historical one that's all Western keyboards are laid out in such a strangely haphazard way, Looked closely at your computer, you'll recognize this weird word as the top string of letters runningįrom left to right across the keyboard. What I was talking about? Well, if you've ever used a typewriter, or
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