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SA Supplements Vol 23 Issue 576supp

SA Supplements

Volume 23, Issue 576supp

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Features

Machines for Working Stone

A New Style of Pump Valve

Improved Frictional Driving Gear

Notes of a Voyage on the Nile

Sibley College Lectures.—1886-87

The Cornell University Non-Resident Lecturers in Mechanical Engineering III.—The Sale of Steam

Chas. E. Emery

The Imperial Standard Photometer

Some Type Writers—Their Origin and Uses

J. B. Huling

Improved Direct Acting Gas Furnace

James Henderson

Fuel Calorimetry

B. H. Thwaite

Photography upon Wood

An Electric Tachometer

Some Features of the Recent Earthquake

W. J. McGee

Pepsin

Departments

Patents - January 15, 1887