Homeomerism
The Systemization of Physico-Chemical Analogies
Volume 84, Issue 2181supp
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Features
The Effect of X-Rays upon Diseases of Bacterial Origin
A Ghost of the Past
Ancient Engine in Use Until Recent Years in England
Ferro-Concrete Ships
Interesting Developments in a New System of Construction
Some Latter-Day Problems of the Foundry
War Conditions and New Phases of Long Familiar Questions
Formation of Aniline from Ammonia and Benzene at High Temperatures and in Presence of Contact Substance
German Engineering from Within
The Wrens
A Great Family of Popular Songsters
Building a Complete Cycle of Industries
What a Railroad Has Done to Develop Its Resources
Soundness of Grain
Sulphur Mixture for Grapevines
The Production of Tin
Molybdenum and Ferro-Molybdenum
The Making of a 6-Inch Reflecting Telescope—III
Instructions for the Amateur Instrument Builder
Washing Dishes
Shelling the Enemies in the Air
The Etiology of some Obscure War Diseases
Soap Substitutes and Washing Powders
The Brown Coal Distillation Industry of Germany—I
Methods, Apparatus and Products Resulting