Darnley's Rotatable Lightning Calculator Pen Case, manufactured in 1920s. The barrel rotates to give every answer to times tables up to 20x20. The cap removes for pen storage and also has a ruler printed on the side.
| px | px | dpi | = | cm | x | cm | = | MB |
Details
Creative#:
TOP23939431
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
Model Release:
No
Property Release:
No
Right to Privacy:
No
Same folder images:
calculatorpencasedarnley'srotatablelightningpensstationeryuniqueunusualoriginalrareantiquevintagegadgetinventioncollectablecollectableswidgetobjectrulerrulesrotatesrotatingsumssummathematicsmathsstoragestorestoringadditionaddaddingsubtractsubtractionmultiplicationmultiplydividedivisiontheandatoinforonuphistoryhistorical
aaddaddingadditionandantiquecalculatorcasecollectablecollectablesdarnley'sdividedivisionforgadgethistoricalhistoryininventionlightningmathematicsmathsmultiplicationmultiplyobjectonoriginalpenpensrarerotatablerotatesrotatingrulerrulesstationerystoragestorestoringsubtractsubtractionsumsumsthetouniqueunusualupvintagewidget
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