17-08-2025, 10:35 AM
Nice postal markings on that card.
Small technical correction. The tool you show is a "digital caliper".
This is a micrometer:
The right one is much more accurate in the sub 1mm range.
Roy
Small technical correction. The tool you show is a "digital caliper".
This is a micrometer:
The right one is much more accurate in the sub 1mm range.
Roy
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