Reproductions of Drawings in Blue Lines on White Ground.--By
A.H. HAIG.
A Plan for a Carbonizing House.--With full description and 5
figures.
The Scholar's Compasses.
The Integraph.--With full description and engraving.
Apparatus for the Manufacture of Gaseous Beverages. 2 engravings.
Sandmann's Vinegar Apparatus. 1 figure.
Field Kitchens. 8 figures.
A New Cop Winding Machine. 3 figures.
The Preservation of Timber.--Report of the Committee of the
American Society of Engineers.--The Boucherie
process.--Experiments.--Decay of timber.
IV. PHYSICS, ELECTRICITY, LIGHT, ETC.--Apparatus for Measuring
the Force of Explosives.--With engraving.
Lighting and Ventilating by Gas.--Advantages of gas over
electricity, etc.--By WM. SUGG. 2 figures.
Ander's Telephone. 1 figure.
Brown's Electric Speed Regulator. 1 figure.
Magneto-electric Crossing Signal. 2 figures.
The Chromatoscope.--An aid to microscopy.
V. ART AND ARCHITECTURE.--The Barbara Uttmann Statue at
Annaberg, Saxony.
Improvements in Concrete Construction.--Use of Portland
cement.--System of building in concrete invented by Messrs. F. &
J.P. West, London.
Albany Buildings. Southport.--An engraving.
VI. PHYSIOLOGY, HYGIENE, ETC.--The Sizes of Blood Corpuscles
in Mammals and Birds.--A table.
The Absorption of Petroleum Ointment and Lard by the Skin.
VII. MISCELLANEOUS.--The Missing German Corvette Augusta.--With
engraving.
The Tails of Comets.--The effect by a disturbance of solar
waves, and not by special matter.
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