View Full Version : What does this number mean on old molds?
Stopsign32v
07-17-2021, 10:12 AM
Bottom right
https://i.ebayimg.com/images/g/MEQAAOSw3j5g62rl/s-l1600.jpg
clintsfolly
07-17-2021, 10:16 AM
Block number to keep the half’s form getting switched
1Hawkeye
07-17-2021, 10:54 AM
Block number to keep the half’s form getting switched
And the number of molds cut with that cutter.
StuBach
07-17-2021, 11:03 AM
What they said [emoji16]
Stopsign32v
07-17-2021, 12:46 PM
Ok good, just needed to know so I can know
Taterhead
07-19-2021, 11:33 AM
Block number to keep the half’s form getting switched
And the number of molds cut with that cutter.
I'm only part way through my coffee today, but these two items seem to be mutually exclusive.
The former implies a unique number for each pair, but the latter implies a common number fir all halves in a batch.
I'm curious too. Anyone with a modern Lyman block will encounter several markings. The date is obvious, but I too wonder what the others signify.
https://i.postimg.cc/gjKW5gvb/20190128-214040.jpg
https://i.postimg.cc/44vsmxj2/20190128-214055.jpg
Greetings,
One of the numbers stamped on Ideal/Lyman blocks was the "Cherry Number". i.e. the number of the cutter that formed the cavity.
http://castpics.net/dpl/index.php/the-library/moulds/283-lyman-mold-number-faq
Cheers,
Dave
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