This report deals with the design of plywood webs for wooden box beams to obtain maximum strength per unit weight. A method of arriving at the most efficient and economical web thickness, and hence the most suitable unit shear stress, is presented and working stresses in shear for various types of webs and species of plywood are given. The questions of diaphragm spacing and required glue area between the webs and flange are also discussed.

"The pressure distribution tests described in this report, covering angles of attack up to 90 degrees, were made on a rectangular monoplane wing model in the atmospheric wind tunnel of the Langley Memorial Aeronautical Laboratory. These tests indicate that a rectangular wing, by reason of its large tip loads, is uneconomical aerodynamically and structurally, has pronounced lateral instability above maximum lift, and is not adaptable to accurate calculation based on the classical wing theory" (p. 197).

This research was undertaken in connection with a general study of the application of the fuel injection engine to aircraft. The purpose of the investigation was to determine the effect of four important factors in the design of a centrifugal type automatic injection valve on the penetration, general shape, and distribution of oil sprays. The general method employed was to record the development of single sprays by means of special high-speed photographic apparatus capable of taking 25 consecutive pictures of the moving spray at a rate of 4,000 per second. Investigations were made concerning the effects on spray characteristics, of the helix angle of helical grooves, the ratio of the cross-sectional area of the orifice to that of the grooves, the ratio of orifice length to diameter, and the position of the seat. Maximum spray penetration was obtained with a ratio of orifice length to diameter of about 1.5. Slightly greater penetration was obtained with the seat directly before the orifice.

Patent for tools used for construction, plumbing, machinery, home renovations, and many more.

Patent for improvements for vacuum refrigerators such that cold air circulation and heat exclusion are improved, including illustrations.

Patent for a small animal trap that prevents injury to the animal. When the animals step on the pedal inside the enclosure, a door is automatically dropped. The animal is trapped inside the enclosure.

Patent for chucks that secure pipes, preventing movement when being cut or threaded, including illustrations.

Patent for concrete building blocks, intended for use in the building of smaller structures, which are strong, easily assembled, and light weight.

Patent for a convertible automobile body with front seats that can be adjustable horizontally to connect with the rear seats and form a bed.

Patent for an electric lighted sign, as might be displayed in the window of a business. The sign consists of a box with an inner reflective coating, an interior light source (bulb), and front-facing circular cutouts with translucent coverings, the latter arranged to depict the sign text.

Patent for improved faucet for dispensing soft drinks, designed to dispense a certain amount to ensure uniformity.

Patent for an economic and palatable food compound or ingredient called "rice cream" for use in preparing pastries, ices, confectionery, sauces, puddings, and dressings; similar to malted milk and gelatin.

Patent for "new and useful improvements in Hay-Rakes." (line 5-6). "Improved means for governing the dumping movements of the rake." (lines 11-12).

Patent for a three-piece mold which allows for fan belts to be made using a single piece of rubber or composition material. The fan belts would primarily be used in motor vehicles.

Patent for pipe tongs, adapted to securely grip and rotate pipe sections (or other round articles) of different sizes.

Patent for innovations in the underground fusion or Frasch process of mining sulfur, "which comprises conducting an appropriate fusing medium [such as hot water] into the formation containing the sulfur deposit and thereby melting the sulfur" (lines 91-95). Central to the innovations is the use of a compressed gas to "eliminate or largely reduce heat losses in porous rock and exhausted sulfur regions at the higher levels of the mine where the presence of the hot water is of no benefit so far as melting sulfur is concerned" (lines 55-60).

Patent for rotary engine, with improvements to rotary engine fluid pressure for motors or engines which pump fluids (such as water motor, water pump, oil pump, ammonia pump or compressor).

Patent for a shoemaker's tool that allows the heel or lift to be easily removed without damaging the other parts of the shoe, with illustrations and instructions. Constructed so that heels of any size or shape can be removed without making adjustments to the tool.

Patent for a traction board for placing under automobile wheels when stuck in sand or mud, and hanging device for carrying the boards when not in use.

Patent for an improved vehicle wheel with a demountable tire rim, so that tires can be easily placed on and taken off the wheel.

Patent for a new and useful improvements to a blade holder. It can hold any form of razor blades can be securely held and easily released. The holder allows blades to be inserted safely and then hold blades firmly into place.

Patent for cotton packer designed for use in cotton gins.

Patent for highway-railroad grade crossing designed to slow the flow of traffic as it crosses an intersecting railway.

Patent for an incubator designed to maintain temperature automatically.