ES103908U - A rule of calculation for the simultaneous conversion of chelines and peniques in sterling pound. (Machine-translation by Google Translate, not legally binding)
- Google Patents
A rule of calculation for the simultaneous conversion of chelines and peniques in sterling pound. (Machine-translation by Google Translate, not legally binding)
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Diaz Martinez juan-Roque
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Diaz Martinez juan-Roque
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Priority to ES103908UpriorityCriticalpatent/ES103908Y/en
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Publication of ES103908YpublicationCriticalpatent/ES103908Y/en
A calculation rule for the simultaneous conversion of shillings and pennies in pound sterling characterized by being constituted by a rectangular plate of plastic or other suitable material comprising on both sides the data to obtain in fractions decimal pound sterling the values of shillings and pennies aided by a cursor that serves for both its faces and that encompassing the rule slides on it provided this cursor a column of numbers on each surface that complement the data contained in the rule. (Machine-translation by Google Translate, not legally binding)
ES103908U1964-01-301964-01-30
A SLIDE RULE FOR THE SIMULTANEOUS CONVERSION OF CHELINES AND PENNIES IN THE STERLING POUND.
ExpiredES103908Y
(en)
A rule of calculation for the simultaneous conversion of chelines and peniques in sterling pound. (Machine-translation by Google Translate, not legally binding)
Improvements introduced in the manufacture of dishes to contact liquids and gases in distillation columns. (Machine-translation by Google Translate, not legally binding)