A new and most useful instrument for addition and subtraction of pounds, shillings, pence, and farthings; : without charging the memory, disturbing the mind, or exposing the operator to any uncertainty; : which no method hitherto published, can justly pretend to. : Invented and presented to His most Excellent Majesty Charles II. King of Great Britain, France, and Ireland, &c. 1666. /
Saved in:
| Main Author: | |
|---|---|
| Format: | Electronic eBook |
| Language: | English |
| Published: |
[London :
s.n.,
1672?]
|
| Series: | Early English books online.
|
| Subjects: | |
| Online Access: | CONNECT |
