Dry Bulk Freight Index2,490▼ -1.3%Capesize3,538▼ -2.8%Panamax2,124▲ +0.7%Dirty Tanker Index1,935▲ +1.1%Supramax1,668▼ -0.1%Clean Tanker Index1,280▼ -1.4%Handysize947▲ +0.2%Dry Bulk Freight Index2,490▼ -1.3%Capesize3,538▼ -2.8%Panamax2,124▲ +0.7%Dirty Tanker Index1,935▲ +1.1%Supramax1,668▼ -0.1%Clean Tanker Index1,280▼ -1.4%Handysize947▲ +0.2%Dry Bulk Freight Index2,490▼ -1.3%Capesize3,538▼ -2.8%Panamax2,124▲ +0.7%Dirty Tanker Index1,935▲ +1.1%Supramax1,668▼ -0.1%Clean Tanker Index1,280▼ -1.4%Handysize947▲ +0.2%Dry Bulk Freight Index2,490▼ -1.3%Capesize3,538▼ -2.8%Panamax2,124▲ +0.7%Dirty Tanker Index1,935▲ +1.1%Supramax1,668▼ -0.1%Clean Tanker Index1,280▼ -1.4%Handysize947▲ +0.2%Dry Bulk Freight Index2,490▼ -1.3%Capesize3,538▼ -2.8%Panamax2,124▲ +0.7%Dirty Tanker Index1,935▲ +1.1%Supramax1,668▼ -0.1%Clean Tanker Index1,280▼ -1.4%Handysize947▲ +0.2%Dry Bulk Freight Index2,490▼ -1.3%Capesize3,538▼ -2.8%Panamax2,124▲ +0.7%Dirty Tanker Index1,935▲ +1.1%Supramax1,668▼ -0.1%Clean Tanker Index1,280▼ -1.4%Handysize947▲ +0.2%

Maritime Professional

Thomas Hubbard Sumner

🇺🇸Other · USA

Background

Biography

Thomas Hubbard Sumner (20 March 1807 – 9 March 1876) was a sea captain during the 19th century. He is best known for developing the celestial navigation method known as the Sumner line or circle of equal altitude.

Nationality

Country

🇺🇸

USA

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