Volume 3, Issue 62supp
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Features
Pollen
Practical Value of the Microscope
The Centennial Exhibit of the Odorless Excavating. Apparatus Company, of Baltimore
The Flash Light
A Cable Grapnel
Decline of English Steam Engines
Friction of Plain Slide Valves
The Rolling of Ships
Cleaving Rocks without Powder
The 100 Ton Gun at Spezia
A Hornet Fleet
The Italian 100 Ton Gun
Lessons in Mechanical Drawing
Pipes for Gas and Other Purposes
Adulteration of Soap
About Peat Steel
False Beeswax
Vanadium Aniline Black
French Worsted Manufacture
Cleaning of Wools
Silk Printing
School of Weaving
Keramic Art
The Transfer of Pattern Designs
Methyl Green on Cotton
Belgian Process for Bleaching Linen and Cotton (1,100 Pounds)
New Size
Iodine, or Methyl Green, for Printing on Cotton
Dark Yellow-Brown on Cotton and Mixed Goods
Cheap Greenhouses—How to Heat Them
Structure of the Mushroom
Discovery of a Remedy for the Grapevine Disease
Loss of Shade Trees in Cities
Cryolite and its Uses
[From an Inaugural Essay presented to the Philadelphia College of Pharmacy]