Sumlock Calculator Tables No. 1-15
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15 Calculator Tables: 1. Pence and Farthings as Decimals of a Shilling
2. Pence and Farthings as Decimals of a £
3. Pence, 1/8 and 1/16 as Decimals of a £
4. Pence, 1/8, 1/16 and 1/32 as Decimals of a Shilling
5. Quarters and Pounds as Decimals of One Cwt.
6. Quarters and Pounds as Decimals of a Ton
7. Hours as Decimal of 47-hour week
8. Minutes as a Decimal of a 47-hour week
9. Common Fractions and their Decimal Equivalents
10. Sumlock Reciprocal Tables
11. Decimals of a Gross
12. Multiples of Pence and Pence Fractions
13. Feet and Inches and 1/8" as Decimals of a Yard
14. Timber Card
15. Daily Interest Card based on 365 DAY YEAR.
This exhibit has a reference ID of CH53040. Please quote this reference ID in any communication with the Centre for Computing History. |
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