Specification for calculators and adding machines. Part 1. Numeric section of ten-key keyboards for calculators and adding machines
Composition and layout, shape of keys, slope of keyboard plane, maximum key stroke, spacing of key
| Corporate Author: | |
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| Language: | English |
| Published: |
London
BSI
1977
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| Subjects: |
JKR Library
| Call Number: |
BS 5478 : Part 1 : 1977 |
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| Accession | Item Category | Format | Status | Notes |
|---|
| BS105 | Standards | British Standard | Available |