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Features

Raking Attachment for Harvesters, Improved Car Truck, and more

The British Postal System

Editorial Summary

Incineration or Burial

Seeman & Catrow's Folding Clothes Horse

The Steam Indicator--Its Value and Use

Science Familiarly Illustrated

Recent American and Foreign Patents

Gleanings From the Polytechnic Association

Answers to Correspondents

Swann's Safety Valve

Reynolds' Improved Bran Duster

Centrifugal Force

City Pavements

The Care and Use of Files

The Day Line

The Patent Bill Passed

Caution

Patent Claims

Badger's Improved Nutmeg Grater

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April 13, 1867

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