Sorry, I stated that kind of wrongly...I don't think any of these are worth much more than $20 or so
Yeah, I thought someone here would know that this was rare and worth $400...
If we really wanted to do what makes sense, scrap the penny and nickel and have $1 and $5 coins.
Marks from a coin rolling machine
My favorite 40 [ATTACH] :)
Apparently some of these are worth lots?...
I, too, stand corrected... https://www.nist.gov/sites/default/files/documents/pml/wmd/metric/1136a.pdf
What do you teach?
Actually it would make more sense (cents?) to eliminate the cent and nickel. Much easier rounding.
[MEDIA]
Actually there is a store in my area called the 99 Cent Only store which recently quietly changed their name (and business dealings) to the 99.99...
Actually I have pointed out to chemistry classes for many years that we ARE on the metric system. The official definition of an inch is 2.54 cm...
Yeah, silver dip removes the tarnish through dissolving the silver sulfide and converting it to metallic silver and H2S (phew). Wonder if...
Solid vs. liquid?
Most balances I have ever seen only have one calibration weight.
#1 My area suffers from low humidity...#2 It is a closed bottle...#3 NaCl doesn't pick up much, if any water.
Have kind-of tried that and even a relatively stiff brush has little effect.
In my simple-minded way, I looked on fee-bay and the cheapest there as a BIN was $155, so $1,550 for 10...at $1,100, that's $450, which buys a...
Those are really nice.
Yeah, I have this fancy schmancy thing called "Caller Identification"...if anyone doesn't have it, it's worth looking into. :)
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