Select | Title | Format | Year |
---|---|---|---|
EspAddText
EspRemoveText
|
Instructions for the use of A.W. Faber's improved calculating rule | Book | 1900 |
EspAddText
EspRemoveText
|
Modern lessons on calculating machines | Book | 1917 |
EspAddText
EspRemoveText
|
The principles and practice of the Chinese abacus | Book | 1969 |