Log in or Sign up
Coin Talk
Home
Forums
>
Coin Forums
>
World Coins
>
Ragusa, Sicily 1770 1 Tallero (Ducat Et Sem)
>
Reply to Thread
Message:
<p>[QUOTE="GDJMSP, post: 1949862, member: 112"]Purely for the sake of discussion and understanding, I'd like to mention a few things. And everybody, please reply with your thoughts as well.</p><p><br /></p><p>For instance, adjustment marks were made with a file. That was the method. Now there are many kinds of files, all different sizes and shapes, with many different kinds or shapes of blades or teeth cut into them. But every file, only has 1 single kind/size of teeth or blades cut into them. Every tooth on the file is always the same size. And those teeth are always cut into a uniform pattern or design. And when a file is used on a piece of metal, they always cut parallel lines in that metal, every single time. This is the nature of files and how they are made.</p><p><br /></p><p>Now the file itself may only be a quarter of an inch wide, or a half inch, or an inch, or even larger on big ones. But whatever size the file is it is going to cut in a pattern that same size. A quarter inch file cuts a pattern a quarter of an inch wide. And every line it cuts in the metal it is being used on will be exactly the same width and exactly the same depth, assuming the metal is flat of course.</p><p><br /></p><p>Now take a look at the coin that Matt posted. Anywhere on that coin, do you see even 1 place where there is a given sized pattern of cuts where the lines are parallel and where the cut lines are the same width as those beside them ?</p><p><br /></p><p>I do not. I see cut lines of many different widths and depths, and they are right beside each other. And they run in all sorts of different directions with various starts and stops.</p><p><br /></p><p>The point I am getting to is this, I don't see any way that file of any size shape or design could have been used on this coin. In some places there is just a single cut line, in others 2, in yet others 3. But yet none of them are the same width, the same shape, parallel to those beside them, or even the same depth. And no I don't mean a difference in depth between the devices and the fields. I mean a difference of depth in material in the same place. None of the lines on this coin have the characteristics of what a file would create if a file were used on the coin, either before, or after the strike.</p><p><br /></p><p>And speaking of that, if a planchet is adjusted for weight by using a file on it to remove a small amount of metal. When that planchet is struck the cuts lines in the devices are those that are filled either completely or partially because the metal that forms the devices flows into the recesses of the die. And the lines that end up in the field areas of the coin, those lines will change too, but to a lesser degree than those in the devices because the metal in the field areas flows less.</p><p><br /></p><p>But if a coin is adjusted for weight after the strike then of course the lines in the devices will be the deepest because the devices are the high points. And the lines in the field will be shallow because the cutting teeth of the file just barely touch the fields if at all. And the cut lines in the devices will usually have sharp, well defined edges while those in the fields will not.</p><p><br /></p><p>So now considering all of this, look at that coin and tell me what you think.[/QUOTE]</p><p><br /></p>
[QUOTE="GDJMSP, post: 1949862, member: 112"]Purely for the sake of discussion and understanding, I'd like to mention a few things. And everybody, please reply with your thoughts as well. For instance, adjustment marks were made with a file. That was the method. Now there are many kinds of files, all different sizes and shapes, with many different kinds or shapes of blades or teeth cut into them. But every file, only has 1 single kind/size of teeth or blades cut into them. Every tooth on the file is always the same size. And those teeth are always cut into a uniform pattern or design. And when a file is used on a piece of metal, they always cut parallel lines in that metal, every single time. This is the nature of files and how they are made. Now the file itself may only be a quarter of an inch wide, or a half inch, or an inch, or even larger on big ones. But whatever size the file is it is going to cut in a pattern that same size. A quarter inch file cuts a pattern a quarter of an inch wide. And every line it cuts in the metal it is being used on will be exactly the same width and exactly the same depth, assuming the metal is flat of course. Now take a look at the coin that Matt posted. Anywhere on that coin, do you see even 1 place where there is a given sized pattern of cuts where the lines are parallel and where the cut lines are the same width as those beside them ? I do not. I see cut lines of many different widths and depths, and they are right beside each other. And they run in all sorts of different directions with various starts and stops. The point I am getting to is this, I don't see any way that file of any size shape or design could have been used on this coin. In some places there is just a single cut line, in others 2, in yet others 3. But yet none of them are the same width, the same shape, parallel to those beside them, or even the same depth. And no I don't mean a difference in depth between the devices and the fields. I mean a difference of depth in material in the same place. None of the lines on this coin have the characteristics of what a file would create if a file were used on the coin, either before, or after the strike. And speaking of that, if a planchet is adjusted for weight by using a file on it to remove a small amount of metal. When that planchet is struck the cuts lines in the devices are those that are filled either completely or partially because the metal that forms the devices flows into the recesses of the die. And the lines that end up in the field areas of the coin, those lines will change too, but to a lesser degree than those in the devices because the metal in the field areas flows less. But if a coin is adjusted for weight after the strike then of course the lines in the devices will be the deepest because the devices are the high points. And the lines in the field will be shallow because the cutting teeth of the file just barely touch the fields if at all. And the cut lines in the devices will usually have sharp, well defined edges while those in the fields will not. So now considering all of this, look at that coin and tell me what you think.[/QUOTE]
Your name or email address:
Do you already have an account?
No, create an account now.
Yes, my password is:
Forgot your password?
Stay logged in
Coin Talk
Home
Forums
>
Coin Forums
>
World Coins
>
Ragusa, Sicily 1770 1 Tallero (Ducat Et Sem)
>
Home
Home
Quick Links
Search Forums
Recent Activity
Recent Posts
Forums
Forums
Quick Links
Search Forums
Recent Posts
Competitions
Competitions
Quick Links
Competition Index
Rules, Terms & Conditions
Gallery
Gallery
Quick Links
Search Media
New Media
Showcase
Showcase
Quick Links
Search Items
Most Active Members
New Items
Directory
Directory
Quick Links
Directory Home
New Listings
Members
Members
Quick Links
Notable Members
Current Visitors
Recent Activity
New Profile Posts
Sponsors
Menu
Search
Search titles only
Posted by Member:
Separate names with a comma.
Newer Than:
Search this thread only
Search this forum only
Display results as threads
Useful Searches
Recent Posts
More...