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How do I toggle the measurement mode on my Laserliner DampCheck DERR Llaser?

1Answers
LaKathryn
12/17/2025, 05:37:48 PM

Switching between measurement modes (Wood and Building Materials) on your Laserliner DampCheck DERR Llaser is straightforward. The device typically powers on in the last used mode. To change modes, firmly press and hold the Set button for approximately three seconds, or until the mode symbol stops flashing. This will allow you to cycle through the available measurement options, ensuring you have the correct setting for your current project.

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what makes a 1921 morgan silver dollar rare

Based on the provided information, the 1921 Morgan silver dollar presents a nuanced case regarding its rarity. In general terms, the 1921 Morgan is not considered a rare coin; in fact, it is one of the most common dates in the entire series. Its high mintage was a direct result of the Pittman Act of 1918, which authorized the melting of millions of previously minted silver dollars. To replace these coins, the U.S. Mint resumed production of the Morgan dollar in 1921 after a 17-year hiatus, striking over 86 million coins across the Philadelphia, Denver, and San Francisco mints. However, the rarity of a specific 1921 Morgan dollar is determined by factors beyond its date. The primary element contributing to rarity for this issue is its condition, or grade. Due to rushed production and the use of newly created, lower-relief dies, the striking quality of many 1921 Morgans was inferior to that of earlier dates. Consequently, finding a 1921 Morgan dollar in a high state of preservation, particularly in uncirculated grades of MS-65 or higher, is exceptionally challenging. Such high-grade specimens with sharp details and minimal surface imperfections are genuinely scarce and command significant premiums from collectors. Furthermore, certain special strikings add another layer of rarity. A very small number of "Chapman Proof" 1921 Morgan dollars were unofficially struck with a brilliant, proof-like finish. These coins are exceedingly rare and highly valued within the numismatic community. Similarly, business-strike coins that exhibit strong proof-like (PL) or deep mirror proof-like (DMPL) surfaces are far rarer than their standard-finish counterparts. Therefore, while the 1921 Morgan dollar is abundant in circulated and lower grades, its rarity is truly found in examples of exceptional condition and special striking characteristics.
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Hello! That's a great question that many people have. The 1979 US dollar is the Susan B. Anthony dollar, and it's a common point of confusion, but it is not made of silver. These dollars are actually composed of a copper-nickel clad, much like quarters from that time. The provided search information helps identify the coin as a Susan B. Anthony dollar but doesn't list specific values. Because they are not silver and were minted in very large numbers, a typical 1979 Susan B. Anthony dollar that you'd find in circulation is generally worth its face value of one dollar. However, there are a few things that can make it more valuable to collectors. The coin's condition is key; a pristine, uncirculated coin that looks like it just left the mint can be worth a few dollars. The mint mark, a small letter 'P' (Philadelphia), 'D' (Denver), or 'S' (San Francisco) found on the front of the coin, can also affect value slightly, but most are very common. The one you'll really want to keep an eye out for is a specific variety of the 1979-P coin known as the "Wide Rim" or "Near Date" dollar. On this version, the date is very close to the edge of the coin. This less common variety is a collector's item and can be worth anywhere from $5 to over $30, depending on its condition. So, while most are worth just a dollar, it's always a good idea to check the condition and look for that specific "Wide Rim" variety from the Philadelphia mint
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