开云体育

Hardness tesrters


 
Edited

Here pass from 1970’s patten too.
A ball drop
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Today's hardness tester?
A ball drop notice the size?
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[COLOR="#800000"][b] [CENTER]???? ? ??? [/CENTER].? ?[/B][/COLOR]?
This side I use on I purchased in the mid 1970’s I have posted this side only? since 1999. one first got the Kro printer for drafting in 1979 I hardness for ?" plate since most die work using ?" stickand only side showed?
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============= other brand =============
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This today's $279.00 you buy new 2025
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=====The day I purchasedin mid 1970’s====
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This is how came brand new in mid 1970’s.?
The above is side post since 1999 on groups.
They used Millimeter in the mid 1970’s?
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WHAT I SAY IS Hight lite to see answer?
?COPY CAT?
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WHAT DO YOU THINK??
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