Battery cover removed to show the lithium ion battery CR2032 |
Battery cover and battery remove to show battery contacts. |
Detailed inside look at my collection of vintage calculators. The highly skilled and detail engineering that goes into making a vintage calculator make them expensive to own in those days. Collectors worldwide has found inspiration it such marvels of human creativity. All the caculators here are carefully cleaned and refurbished and repaired where possible. The focus here is on the industrial design and manufacturing innovation from each calculator brand and less on the electronics wizardly.
Battery cover removed to show the lithium ion battery CR2032 |
Battery cover and battery remove to show battery contacts. |
No comments:
Post a Comment