Patent for a music page turner, which can be operated by a lever or foot pedal.

Patent for a condenser for a hot water heater for use in homes.

Patent for a combined Indian club and dumbbell, which are easily interchanged and having varying weights.

This document is a patent for the invention of the Aerial Projectile and Launching Mechanism Therefor. According to its inventor Frank M. Bell, the object of this mechanism is to fire aerial projectiles or torpedoes more accurately at their intended target. This mechanism can be called an anti-observation balloon/zeppelin weapon and it would see some usage by the Allied air forces during this conflict.

Patent for an improvement to hydraulic separators used in frothing classification to increase the recovery of larger mineral particles.

Patent for a window screen or awning holder. Illustrations included.

Patent for woodworking clamp that is adjustable so that it can be used with many different shapes and sizes.

Patent for improvements in tube-mills (employed for ore and other substances) which is meant to help support and drive rotating drums or cylinders of the mills allowing for more full appearances.

Patent for a windmill with vanes that can compensate for varying wind speeds without being damaged by high winds.

Patent for vehicle signal with accompanying illustrations.

Patent for a detonator cap that acts as a "protecting device...to seal the inner end of the cap into which the adjacent end of the fuse is projected in use." (lines 13-16)

Patent for a device to clean a well to prevent pumps from being clogged.

Patent for a transmission device that indicates railway stations. The transmission gear can affix to any railway or street car. The transmission gearing helps to indicate (or display) accurately the names of stations or streets in conservative order.

Patent for a hydraulic motor. Illustration included.

Patent for a paper guide for paper and carbon paper for typewriters.

Patent for a tool handle for saws. Illustrations included.

Patent for an automatic speed changing gear for trains.

Patent for "a method of recovering copper by the electrolysis of copper solutions of any suitable kind, obtained by the lixiviation of the ore" (lines 9-12). The improvement in this method is that almost all the sulfuric acid and other leaching agents are used up prior to the copper going to the electrolysis tanks which increases the amount of copper recovered and the reduction of accumulated biproducts.

Patent for improvements to a projector that relate to advertising. The inventor references adjustments to a previous patent, No. 1069521 from August 5, 1913. Adjustments include making the device more accurate and reliable, and to adapt it to be able to display opaque surfaces, postcards, and other printed items during any time of day. Additionally, the revoluble slide magazine has a mechanism that allows it to operate continuously without assistance from the operator.

Patent for a machine which can automatically and continuously remove thickened material, which is a byproduct of wet milling ores. "The present device has been particularly designed to permit feed and discharge to be on the same level or for that matter the constant density discharge may be above or below the level of the feed stream, as may best fit the conditions of the particular installation" (lines 39-45).

Patent for an electrolytic cell. "This invention relates to electrolytic cells especially adapted and intended for the electrolyzing of the sulfates of the alkalies to obtain sulfuric acid and alkaline hydrates" (lines 10-13). Illustration included.

Patent for an improved saw filing machine. Illustration is included

Patent for Switch-Operating Device. Invented to be operated from lead car or end car without having to stop train.

Patent for a folding cot or bed. Illustration included.