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Physics without Apparatus

The Earth as an Electrical Conductor

Electric Lights on Spires.–A Failure in Electric Lighting

Contributions to Molecular Physics in High Vacua

Enlarged Collodion Transfers

The Livadia

A New Developer

By Captain W. De W. Abney

Some Experiments with Asphalt for Photographic Purposes

By J. O. Morch

Photo-Plates—Woodbury-Type—The Old and the New

Improved Microscope

By Eusbius J. Molera and John C. Cebrian

Allemand Brick Machine

House Drainage

University College Barge and Boat House, Oxford

Apparatus for Clearing Sewage

Silver Plate Exhibition, Amsterdam

Explosive Mixtures of Coal Gas and Air

By W. Foster

Researches on Beetroot

By A. Baudrimont

The Giant of the Catskills

Artificial Production of Felspars Containing Barium, Strontium, and Lead

By F. Fouqu*amp*eacute; and A. M. Levy

Detection of Cotton-Seed Oil in Olive-Oil

By Benjamin Nickels

Domestic Remedy for Felons

By T. C. Brannon


The Manufacture of Nitro-Glycerine

The Contagion of Consumption

By James T. Whittaker

Report on Diseases of Domestic Animals

By James Law

Statistics of Two Hundred and Fifty Cases of Cancer of the Breast


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