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Reconstruction of the Croton Dam

Irrigation of the Delta of the Colorado

The Conversion of Grape Tendrils into Fruit Clusters

Nebula in Nova Persei

By Mary Proctor

Cave Drawings of the Palolithic Epoch

By Our Paris Correspondent

New Atlantic Type of Passenger Locomotive on the Pennsylvania Railroad

A New Synchronism Indicator for Alternators

By Fred P. Woodbury

Rankin Bridge for the Transit of Molten Iron

The Manufacture of Oil-Cloth

The New Drainage and Sewerage System of New Orleans

By Frederick Moore

Portraiture by Flash Light

Treating Fruit-Trees for Scale

Improvement in Dredge Shovels

Patent Department

Process of Separating Pith from the Kind of Cane and Stalks

Business and Personal Wants


  • Departments

    Science Notes

  • Correspondence - December 7, 1901

  • Recently Patented Inventions - December 7, 1901

  • Index of Inventions - December 7, 1901

  • New Books, Etc - December 7, 1901

  • Patents - December 7, 1901

  • Notes and Queries - December 7, 1901

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