Video Of US Mint In The 1930-S - Coin Community Forum

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Author	Replies: 7 / Views: 482
Bump111 Pillar of the Community United States 3323 Posts	Posted 08/02/2024 1:58 pm Seeing the latest video posted by CCFPress on mint production, I was inspired to look for others. This one was especially interesting to me. It is from the 1930s and shows how things were handled back then. I wonder if OSHA would have anything to say about some of their activities! Edit: if this has been posted before, please remove and accept my apologies. 6Kcf3JzYZ4U =no "Nummi rari mira sunt, si sumptus ferre potes." - Christophorus filius Scotiae Edited by Bump111 08/02/2024 1:59 pm Report this Post to the Staff

ijn1944 Bedrock of the Community United States 19115 Posts	Posted 08/02/2024 3:50 pm Love it. And, I imagine asbestos was present as well. Report this Post to the Staff
Coinfrog Bedrock of the Community United States 94367 Posts	Posted 08/02/2024 5:52 pm Super video, thanks! Report this Post to the Staff
jbuck Moderator United States 187702 Posts	Posted 08/02/2024 7:48 pm I believe it has been posted before, but no need to bring an old topic back from the dead. Thank you for sharing. Coin Collector Since 1978 Avatar Old Avatar 7070 Eisenhower Australia Canada World CCF Members on eBay CCF eBay Search Engine Report this Post to the Staff
Dearborn Moderator United States 94786 Posts	Posted 08/02/2024 9:16 pm Nice video, but they call then 'planchets' right after the they are blanked - no mention of the upsetting mill.. Collecting since 1972. Learning from then on "Tell me and I forget. Teach me and I remember. Involve me and I learn." - Benjamin Franklin 7070 type set coin count: 51/76 Uncirculated American Silver Eagles My American Silver Eagle Proof Collection Sacagawea Dollars Innovation Dollars Eisenhower-Dollars Kennedy-Half Dollars Washington-Quarters Roosevelt-Dimes Buffalo-Nickels 1938-2005 Jefferson-Nickels Lincoln-Cents Report this Post to the Staff
Freespeech57 Pillar of the Community United States 616 Posts	Posted 08/02/2024 10:00 pm Great video! Report this Post to the Staff
BadThad Bedrock of the Community United States 19931 Posts	Posted 08/03/2024 02:33 am Great video, love the music! Interesting how they processed the planchets with "cream of tartar" (potassium bitartrate) and, I think he says, "bar soap". It seems there was no water rinsing of the planchets or coins back then. The bitartrate acts as not only a cleaner but it also bonds to the metal and acts as a fixing agent for the soap. They wanted a thin layer of soap on the planchets to act as a stamping lubricant. This was an era where metalworking (stamping) machines only had oil & grease (often lard) available as a lubricants. Soap was a third option and left no mess like oil or grease. It is my theory that the bitartrate and bar soap both greatly varied in their compositions and purity. It's very likely a lot of permanent spots and stains we see on coins are due to impurities and some undesired reactions going on. This affects the coin at the planchet level and the stamping merely hides it in the short-term - long enough to pass any quality checks. But for us collectors, we see the defects as they developed over the decades. I thought the QC girls were funny! It looks like they're scraping the coins with a metal plate! No wonder most coins have marks all over them. Lincoln Cent Lover! VERDI-CARE™ INVENTOR https://verdi.care/ Edited by BadThad 08/03/2024 02:34 am Report this Post to the Staff
BadThad Bedrock of the Community United States 19931 Posts	Posted 08/03/2024 02:43 am Here's the contrast to today! mX73eThpM2k Lincoln Cent Lover! VERDI-CARE™ INVENTOR https://verdi.care/ Report this Post to the Staff
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