Volume 71, Issue 1838supp
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Features
Handlinǵ Passenǵers on a Rapid Transit Railroad
Construction of a Rapid Transit Line as Illustrated by the Hudson and Manhattan Railroad
Cement Sidewalk Paving
Simple Directions for Laying It
A Few Shop Jobs on an Old Car
Hints for the Handy Man with Tools
Modern Scientific Research
Its Object and Methods
The World's Daily Weather Maps
Systems Used in Various Countries
New Physical Apparatus
Simple Instruments for the Laboratory
Illuminatinǵ Enǵineerinǵ
Its Value to the Commercial Man