Caption

Slide rule on book, calculating aid

Date

Dec 31, 2024

Credit line

Photo12/imageBROKER/Jürgen Pfeiffer

Reference

BRK25B40_458

Model release

No

Property release

No

License type

Royalty free

Available size

103,4Mb (4,4Mb) / 24,5in x 16,4in / 7360 x 4912 (300dpi)

Keywords

deserted no one No People nobody uninhabited empty scale scales education education learn learning learns study studying studies book books mathematics math mathematics knowledge book page study studying studies calculate calculating calculates aid aids abacus abacuses side rule counting frame field of education educational system fields of education Calculation aids