a manual or electrical instrument, use in perforating latters and words in the surface of paper. This is use as a means of communication to send message or information to the different persons for the different purpose.
TYPEWRITER
a British inventor obtained a patent to prevent on his invention. The first attempt to produce a typewriter machine.
1974-HENRY MILL
an American inventor obtained a second patent. The machine was so arranged with a semi-cercular wheel, that revolve to the desire letter upon pressing the key, and the typeface will struck on the surface of the paper.
1829- WILLIAM AUSTINE BURT
a French inventor. The first time that the machine was employed with the principles of modern typewriter. Each letter is separated by different typebars with separate lever keys to be press.
1833- XAVIER PROGIN
an American inventor, invented the first machine using sapacing method. The typewriter has a printing metal ring that revolved in horizontal, duly equip with vertical series of keys having a typeface at the bottom.
1834- CHARLES GROVER THURBER
invented typewriter machine that resembles like a modern typewriter in terms of arrangement of the keys and the type-bars, however it has embossed letter that cause impression on the narrow strips on the paper to be felt by the finger and that could be read by the blind.
1856- ALFRED BEACH
an American inventor, developed a similar machine of Beach. This typewriter had a circular arrangement of type bar, had a moving paper holder, had an ink ribbon and had a bell that rang when it reaches the end line of the paper margin, and the arrangement of the keyboard is similar to the black and white keys of the piano or organ.
1856- SAMUEL W. FRANCIS
They invented the first practical typewriter, they try to create as system where they could print numbers on the pages of the book.
1868- CRISTHOPHER LATHAM SHOLES with his co-workers, CARLOS GLIDDEN and SAMUEL SOULE
a firearm manufacturers. They bought Sholes created typewriter and successfully marketed their own model.
1873- REMINGTON and SONS
when was an extensive use of electronic typewriter, play a significant role under the auspices of the IBM, International Business Machine.
- a motor driven machine perform the actual lifting of the type-bar and striking the typeface against the ribbon, then returning the carriage to the right and turning the planten or flat plat or roller at the end line. the operator used less pressure than the conventional typewriter.
1925
2 Basic Typewriter
is one in which the typeface elements are permanently fastened into the machine. Because each machine has permanent, non-removable typeface components, text can sometimes be associated to the specific machine used by comparing characteristics, such as typeface damage or alaignment defects, in the text and machine.
TYPEBAR TYPEWRITER
is the printing surface of the type block in conventional typewriter. In electric type writer, it is the printing surface of the rotating head sphere.
TYPEFACE TYPEWRITER
Any typewriting which is placed on the paper by the action of the type faces striking thought carbon paper is classed_________?
CARBON IMPRESSION
it can help the examiner ink the typewriter to the document.
RIBBON
TYPEWRITER IDENTIFICATION
When the typewriter is involved the document examiner tries to:
-Determine the make & model of the typewriter.
-Match up the note with a suspect typewriter, if one available.
is a typeface impression spaced ten (10) characters to the horizontal inch.
PICA TYPEFACE
is a typeface impression spaced twelve (12) characters to the horizontal inch.
ELITE TYPEFACE
KINDS OF TYPEWRITER
are in specific and standard sizes, viz, foolscap, brief and policy size. Continuous stationery device is attached to the_________, which facilities nearly performance of any paperwork.
STANDARD TYPEWRITER
is highly useful for individual purpose. it has less weight so that it can be carried to any place. it can be kept at any place since it requires less space. It can be put in brief case during travels.
PORTABLE TYPEWRITER
a special type of bar is used to reduce the noise of the impact of the type bar upon the page. The cost of this typwriter is slightly higher than the cost of ordinary typewriter.
Noiseless typewriter
it is mere touching a key is enough to operate the typewriter. This typewriter requires only one-fourth energy of typist for operation.
ELECTRIC TYPEWRITER
a single typewriter has variety of style and size of letters. These style and size of letters are adjusted according to the rewuirments. This type of letters may be italic, small size, big size etc.
VARIABLE TYPEWRITER