Volume 7, Issue 170supp
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Features
The International Exhibition of New South Wales
The Earnings of the Working Classes
Dairy Cottage
Progress of German Cutlery
Utilization of Slag
Zing-Dust as a Cause of Fires
Modern Musketry
Heavy Ordnance
The De Bay Propeller
The Lighthouse of Chipiona, Cadiz, Spain
Leuner's Adding Pencil
Hahn's Iron Scaffolding
A Durable Spur Wheel
Millot's Grain Separator and Grading Machine
Theory and Practice in Bread Making
Fraudulent “Greening” of Oysters in France
Metzger's Improved Machinery for Manufacturing Vermicelli and Macaroni
Designing for Textiles
The Lebrousse Paper Pulp Machine
Warping Bobbins with Iron Heads
Sliver Guide for Spinning Machines
A New Buckskin Loom
Apparatus for Testing the Evenness of Yarn
A Drag for Throstle Bobbins
Manchester Literary and Philosophical Society
Classification of Colors
A Communication to the Photographic Society of France
Porcelain Painting
Liquid Carbonic Acid from Bicarbonate of Soda
A New Device for Magnetizing Compass Needles
Plante's Secondary Battery
Notes on the Diffusion of Atmospheric Impurities in Occupied Rooms
Carbonate of Ammonia from Gas Liquor, without the use of Acids
Steeling Copper Plates
Spectrometric Measurement of High Temperatures
Influence of the Different Colors of the Spectrum on the Development of Animals
Du Fay's Theory
Dynamo-Electric Machines
Radiometer Pressure
Physical Society, London
Note on the Absorbing Power of Vegetable Charcoal
Archæological Explorations in Tennessee
Porosity of Building Stone
Is the Moon Inhabited?
[From the French of Camille Flammarion]