Skip to main content

Features

Recent Improvements in the Pneumatic Dynamite Gun

The Smoke Nuisance

An Eraser for Use on Blackboards

An Improved Fumigator

An Improved Lawn Cleaner

Improved Steam Boiler

A Device for Manipulating Doors and Windows

A Register and Recorder for Revolving Shafts

An Improved Safety Indicator for Elevators

An Improved Lifting Truss Girder

An Improved Mechanical Movement

Daisies and Thistles Proscribed by Law

The New German Armored War Ship Siegfried

Photographic Notes- September 20, 1890

Departments

  • Letters

    Correspondence- September 20, 1890

  • Departments

    Notes & Queries- September 20, 1890

  • To Inventors- September 20, 1890

  • Business and Personal- September 20, 1890

  • Recently Patented Inventions- September 20, 1890

  • Index of Inventions- September 20, 1890

Purchase To Read More

Already purchased this issue? Sign In to Access
Select Format
September 20, 1890