Technical paper issued by the Bureau of Standards over studies conducted on transmissions of ultra-violet energy through different colored glasses. As stated in the introduction, "in the present paper are given the transmissions for the visible and ultra-violet of a large number of glasses, mostly colored, which are not used primarily for eye protection, but which are useful for various other purposes" (p. 3). This paper includes illustrations, and photographs.

Patent for a new aeroplane-kite which can be "readily dismantled and folded for shipping and easily assembled and placed in position for flying without the use of numerous fastenings and detachable parts, thereby making for simplicity and practicability" (lines 12-17). Also includes wind tunnels and a fuselage frame which is so easily assembled that a child can do it.

Patent for a new and improved air pump capable of releasing air from the cylindrical casing in one motion. The updated design will also eliminate any lubricating oil from leaking into a tire.

Patent for a wrench with a head having a pair of rigid jaws to engage the object. One unique use of this wrench is that it can tighten any threaded joint beyond the degree of tightness that can be obtained by pulling the handle of an ordinary wrench in the usual manner.

Patent for improved non-flammable paint and multi-purpose byproduct of paint production process.

Patent for a relatively simple constructed wall that is built using concrete slabs. It is constructed in a manner that requires less material thus resulting in a wall that is hollow all the while providing sufficient strength to hold weight and pressure. Includes illustrations.

Patent for a machine can dispense potable liquids to several customers at the same time.

Patent for "new and useful improvements in well boring apparatus. The object of the invention is to provide an apparatus of the character described embodying a rotary table and a novel means for connecting the same to the string of pipe, which extends down into the well and which is rotated by said table and in turn rotates the boring tool carried by the lower end of said spring of pipe" (lines 9-18) including instructions and illustrations.

Patent for an inexpensive attachment to a cotton cultivator/checking machine to improve the intake capacity of the cultivator itself. The blocking machine would be used to replace the manual labor task of chopping cotton before insertion into the cultivator for processing.

Patent for Train Signaling And Stopping Device improvements intended to be of low cost, simple, durable, and run on electricity.

Patent for improvements to valve-seating machines that allows for them to be constructed simply.

Patent for improvements in the construction, arrangement, and combination of parts used in building articulated toy snakes that mimic the animal's movement. The patent and illustrations describe the shapes of the toy's sections and the manner of their hinged connection to one another.

Patent for improving measuring pumps "by providing a pump actuating means so constructed that a continuous movement of the crank in one direction will cause a reciprocation of the piston in both directions" (lines 29-33), with illustrations.

Patent for a machine that treats surfaces. Illustration is included.

Patent for a surface treating machine that improves support, where the surface treating member is "driven by intermediate means from a motor displaced from the member, together with means of effecting adjustments of the surface treating member with relation to the work" (lines 13-15), with illustrations.

Patent for a surface cleaning device that provides a continuously moving surface treating member which is bodily adjustable in a suitable support.

Patent for a saw-table cutting stop that can be very quickly set and which automatically indicates the distance from the stop to the saw.

Patent for an improved truck in which the load can be moved to be easily loaded or unloaded by one person, including illustrations.

Patent for a new truss designed to hold ruptures without discomfort, suitable for single and double ruptures. The truss features a novel spring plate, soft rubber pads, and adjustable waterproof bands.

Patent for the process of making tubes, especially tubes for producing, fitting, and/or refitting "eye-glasses, spectacles, &c." (lines 11-12).

Patent for the treatment of ores which has a improvised process of chloridizing ores, concentrates, and other metallurgical products.

Patent for an improved clothes containing basket within washing machines that is longer-lasting and less likely to become imbalanced. The device increases agitation of clothes and water.

Patent for Concrete Building Mold that is composed to be able to be detachable and reversible.

Patent for an object that provides the collar support and is hidden.