Index to Subjects
Footnotes:[1]Note: The title of this book does not coincide with the above argument, but in view of the common use of the term “calculating” its application is better understood.[2]Note: As all the drawings of the Felt patent are not reproduced here, the cam is not shown.[3]Note: All the drawings of the Pottin patent are not shown here.[4]In making this comparison, the reader should be careful not to confuse the later key-set crank-driven type like that of Pottin described in the preceding chapter. It was the old key-driven type of cash register which contained the forced simultaneity of key-action.
Footnotes:
[1]Note: The title of this book does not coincide with the above argument, but in view of the common use of the term “calculating” its application is better understood.
[1]Note: The title of this book does not coincide with the above argument, but in view of the common use of the term “calculating” its application is better understood.
[2]Note: As all the drawings of the Felt patent are not reproduced here, the cam is not shown.
[2]Note: As all the drawings of the Felt patent are not reproduced here, the cam is not shown.
[3]Note: All the drawings of the Pottin patent are not shown here.
[3]Note: All the drawings of the Pottin patent are not shown here.
[4]In making this comparison, the reader should be careful not to confuse the later key-set crank-driven type like that of Pottin described in the preceding chapter. It was the old key-driven type of cash register which contained the forced simultaneity of key-action.
[4]In making this comparison, the reader should be careful not to confuse the later key-set crank-driven type like that of Pottin described in the preceding chapter. It was the old key-driven type of cash register which contained the forced simultaneity of key-action.