![Pot 1903 [MM-8-23-1991]](https://www.naphausa.org/wp-content/gallery/pots-crucibles-and-molds/Pot-1903-MM-8-23-1991.jpg "Pot 1903 [MM-8-23-1991]")
![Early Massena Potroom [MM-8-26-1988]](https://www.naphausa.org/wp-content/gallery/pots-crucibles-and-molds/Early-Massena-Potroom-MM-8-26-1988.jpg "Early Massena Potroom [MM-8-26-1988]")
![Original Potroom Technology [MM-8-6-1993]](https://www.naphausa.org/wp-content/gallery/pots-crucibles-and-molds/Original-Potroom-Technology-MM-8-6-1993.jpg "Original Potroom Technology [MM-8-6-1993]")
![Early Smelting Pots [MA-7-8-1963]](https://www.naphausa.org/wp-content/gallery/pots-crucibles-and-molds/Early-Smelting-Pots-MA-7-8-1963.jpg "Early Smelting Pots [MA-7-8-1963]")
![Pot Tender c1918 [MM-3-15-2007]](https://www.naphausa.org/wp-content/gallery/pots-crucibles-and-molds/Pot-Tender-c1918-MM-3-15-2007.jpg "Pot Tender c1918 [MM-3-15-2007]")
![Molten Aluminum Poured from Ladle to Mold [MA-5-13-1946]](https://www.naphausa.org/wp-content/gallery/pots-crucibles-and-molds/Molten-Aluminum-Poured-from-Ladle-to-Mold-MA-5-13-1946.jpg "Molten Aluminum Poured from Ladle to Mold [MA-5-13-1946]")
![Pouring Metal Into Pig Molds [MA-3-1948]](https://www.naphausa.org/wp-content/gallery/pots-crucibles-and-molds/Pouring-Metal-Into-Pig-Molds-MA-3-1948.jpg "Pouring Metal Into Pig Molds [MA-3-1948]")
![Potlining Department and Equipment [MA-3-1948]](https://www.naphausa.org/wp-content/gallery/pots-crucibles-and-molds/Potlining-Department-and-Equipment-MA-3-1948.jpg "Potlining Department and Equipment [MA-3-1948]")
![Smelting Potline [MA-6-1953]](https://www.naphausa.org/wp-content/gallery/pots-crucibles-and-molds/Smelting-Potline-MA-6-1953.jpg "Smelting Potline [MA-6-1953]")
![Potroom Pouring Metal [MA-4-1954]](https://www.naphausa.org/wp-content/gallery/pots-crucibles-and-molds/Potroom-Pouring-Metal-MA-4-1954.jpg "Potroom Pouring Metal [MA-4-1954]")
![St. Lawrence Smelting Plant [MA-5-1959]](https://www.naphausa.org/wp-content/gallery/pots-crucibles-and-molds/St-Lawrence-Smelting-Plant-MA-5-1959.jpg "St. Lawrence Smelting Plant [MA-5-1959]")
![Siphoning Metal From Pot to Crucible [MA-5-1966]](https://www.naphausa.org/wp-content/gallery/pots-crucibles-and-molds/Siphoning-Metal-From-Pot-to-Crucible-MA-5-1966.jpg "Siphoning Metal From Pot to Crucible [MA-5-1966]")
![Breaking Hardened Bat to Repair a Pot [MA-5-6-1975]](https://www.naphausa.org/wp-content/gallery/pots-crucibles-and-molds/Breaking-Hardened-Bat-to-Repair-a-Pot-MA-5-6-1975.jpg "Breaking Hardened Bat to Repair a Pot [MA-5-6-1975]")
![Changing Carbon [MM-8-29-1985]](https://www.naphausa.org/wp-content/gallery/pots-crucibles-and-molds/Changing-Carbon-MM-8-29-1985.jpg "Changing Carbon [MM-8-29-1985]")
![New Larger Anodes to P75 Pots [MM-4-24-1986]](https://www.naphausa.org/wp-content/gallery/pots-crucibles-and-molds/New-Larger-Anodes-to-P75-Pots-MM-4-24-1986.jpg "New Larger Anodes to P75 Pots [MM-4-24-1986]")
![P75 Pots Demolished [MM-9-22-1989]](https://www.naphausa.org/wp-content/gallery/pots-crucibles-and-molds/P75-Pots-Demolished-MM-9-22-1989.jpg "P75 Pots Demolished [MM-9-22-1989]")
![Pot Used Since 1977 [MM-12-31-1987]](https://www.naphausa.org/wp-content/gallery/pots-crucibles-and-molds/Pot-Used-Since-1977-MM-12-31-1987.jpg "Pot Used Since 1977 [MM-12-31-1987]")
![P225 Pot [MM-2-13-1987]](https://www.naphausa.org/wp-content/gallery/pots-crucibles-and-molds/P225-Pot-MM-2-13-1987.jpg "P225 Pot [MM-2-13-1987]")
![Massena P75 Pot For Pittsburgh Riverwalk [MM-10-19-1990]](https://www.naphausa.org/wp-content/gallery/pots-crucibles-and-molds/Massena-P75-Pot-For-Pittsburgh-Riverwalk-MM-10-19-1990.jpg "Massena P75 Pot For Pittsburgh Riverwalk [MM-10-19-1990]")
![Massena Pot To Pittsburgh History And Landmark Foundation [MM-4-12-1991]](https://www.naphausa.org/wp-content/gallery/pots-crucibles-and-molds/Massena-Pot-To-Pittsburgh-History-And-Landmark-Foundation-MM-4-12-1991.jpg "Massena Pot To Pittsburgh History And Landmark Foundation [MM-4-12-1991]")
![P75 Potline [MM-10-19-1990]](https://www.naphausa.org/wp-content/gallery/pots-crucibles-and-molds/P75-Potline-MM-10-19-1990.jpg "P75 Potline [MM-10-19-1990]")
![Pot [MM-1-7-1992]](https://www.naphausa.org/wp-content/gallery/pots-crucibles-and-molds/Pot-MM-1-7-1992.jpg "Pot [MM-1-7-1992]")
![Pot [MM-1-14-1994]](https://www.naphausa.org/wp-content/gallery/pots-crucibles-and-molds/Pot-MM-1-14-1994.jpg "Pot [MM-1-14-1994]")
![Pot [MM-10-11-1991]](https://www.naphausa.org/wp-content/gallery/pots-crucibles-and-molds/Pot-MM-10-11-1991.jpg "Pot [MM-10-11-1991]")
![Pot Draft Control [MM-3-6-1992]](https://www.naphausa.org/wp-content/gallery/pots-crucibles-and-molds/Pot-Draft-Control-MM-3-6-1992.jpg "Pot Draft Control [MM-3-6-1992]")
![Potroom [MM-1-18-1991]](https://www.naphausa.org/wp-content/gallery/pots-crucibles-and-molds/Potroom-MM-1-18-1991.jpg "Potroom [MM-1-18-1991]")
![Potroom [MM-8-27-1993]](https://www.naphausa.org/wp-content/gallery/pots-crucibles-and-molds/Potroom-MM-8-27-1993.jpg "Potroom [MM-8-27-1993]")
![Potroom Portable Crust Breaking Tool [MM-1-15-1993]](https://www.naphausa.org/wp-content/gallery/pots-crucibles-and-molds/Potroom-Portable-Crust-Breaking-Tool-MM-1-15-1993.jpg "Potroom Portable Crust Breaking Tool [MM-1-15-1993]")
![Pouring Cruce Of Molten Metal Into Furnace [MM-3-13-1992]](https://www.naphausa.org/wp-content/gallery/pots-crucibles-and-molds/Pouring-Cruce-Of-Molten-Metal-Into-Furnace-MM-3-13-1992.jpg "Pouring Cruce Of Molten Metal Into Furnace [MM-3-13-1992]")
![Potline [MM-2-25-2000]](https://www.naphausa.org/wp-content/gallery/pots-crucibles-and-molds/Potline-MM-2-25-2000.jpg "Potline [MM-2-25-2000]")
Skip to content
National Aluminum Production Heritage Association
Our Mission is the preservation of artifacts and history, related to production and products of the early aluminum industry for interpretive display, for a broad audience to understand our nation’s industrial heritage.