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Orange Free State: Postal Stationery
#2
Nice postal markings on that card.

Small technical correction. The tool you show is a "digital caliper".

This is a micrometer:


.jpg   micrometer.jpg (Size: 15.27 KB / Downloads: 17)

The right one is much more accurate in the sub 1mm range.

Roy
Roy Lingen
KSC Volunteer Webmaster

https://buckacover.com           << 90,000 covers 60c to $1.50 !!!
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Messages In This Thread
Orange Free State: Postal Stationery - by Hugh - 16-08-2025, 11:38 PM
RE: Orange Free State: Postal Stationery - by Webmaster - 17-08-2025, 10:35 AM

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