Post World War II Models
The models become lighter with the use of aluminum and more refined inner mechanical designs. Both mechanical and electric models are offered. Their outside is similar to the model M machines. The model 3D11 succeeds to the model M and the electric model 992 succeeds to the model K. The major external appearance change of the 3D11 & 992, the keys were two tones of green with a fuller depth almost twice the old original style. making identification very easy. Also the lock release key (red) was moved from the upper right corner of the keyboard to the center and just below the 'one' keys so it could be thumb operated. On model K electrics the motor was turned on with a switch and ran continuously during use. The 992 had a micro switch which started the motor at the start of any key depression and shut off after key action competed. This reduced the motor wear to almost nil.
The most important new designs of this period came from the Sumlock comptometer Ltd company that introduced the first all-electronic desktop calculators almost two years before the competition. They were the ANITA Mark VII, first introduced in 1961 and marketed in Continental Europe and the ANITA Mark VIII, a slightly improved design, introduced at the same time, marketed in Britain and the rest of the world. They both started shipping in 1962.
The last ANITA machine with a Comptometer keyboard was the ANITA mk 10 introduced in 1965, still using cold-cathode switching tubes and that will be replaced in 1968 by the ANITA mk 11, a 10 key machine.
Incidentally, Sharp's first all transistor desktop calculator, the CS-10A COMPET, introduced in the summer of 1964, also had a Comptometer type keyboard.
Read more about this topic: Comptometer, Evolution
Famous quotes containing the words post, world, war and/or models:
“I can forgive even that wrong of wrongs,
Those undreamt accidents that have made me
Seeing that Fame has perished this long while,
Being but a part of ancient ceremony
Notorious, till all my priceless things
Are but a post the passing dogs defile.”
—William Butler Yeats (1865–1939)
“Palestine is the cement that holds the Arab world together, or it is the explosive that blows it apart.”
—Yasir Arafat (b. 1929)
“Come Vitus, are we men, or are we children? Of what use are all these melodramatic gestures? You say your soul was killed, and that you have been dead all these years. And what of me? Did we not both die here in Marmaros fifteen years ago? Are we any the less victims of the war than those whose bodies were torn asunder? Are we not both the living dead?”
—Peter Ruric, and Edgar G. Ulmer. Hjalmar Poelzig (Boris Karloff)
“Friends broaden our horizons. They serve as new models with whom we can identify. They allow us to be ourselves—and accept us that way. They enhance our self-esteem because they think we’re okay, because we matter to them. And because they matter to us—for various reasons, at various levels of intensity—they enrich the quality of our emotional life.”
—Judith Viorst (20th century)