h. c. F. Porsche GmbH in 1931 by Ferdinand Porsche, an Austrian engineer born in Maffersdorf, during the time of the Austro-Hungarian Empire, and Porsche's son-in-law Anton Piëch, an Austrian lawyer.

In October 1931, Komenda resigned his most respectable job with Mercedes and joined Ferdinand Porsche's new company, a step into an unknown future.

A Congressman from 1925 to 1931, He is best known for being the father of former president Ferdinand Marcos.

Ida Bell Wells-Barnett ( July 16, 1862 – March 25, 1931 ) was an African-American journalist, newspaper editor and, with her husband, newspaper owner Ferdinand L. Barnett, an early leader in the civil rights movement.

* 1885 – 1934 Friedrich Ferdinand, Duke of Schleswig-Holstein-Sonderburg-Glücksburg, from 1931 Duke of Schleswig-Holstein

Christian Metz ( December 12, 1931, BéziersSeptember 7, 1993, Paris ) was a French film theorist, best known for pioneering the application of Ferdinand de Saussure's theories of semiology to film.

From 1931, two years prior to Hitler's accession to power, Ferdinand Porsche and Zündapp developed the prototype " Auto für Jedermann " (" car for everyone "), which was the first time the name " Volkswagen " was used.

After news about the results achieved with the Ardie-Ganz and Adler Maikäfer prototypes reached Zündapp, the company turned to Ferdinand Porsche, in September 1931 to develop an " Auto für Jedermann " (" car for everyman ").

* Beast, Men and Gods by Ferdinand Ossendowski Published in 1931.

h. c. F. Porsche GmbH " in 1931, with main offices at Kronenstraße 24 in the centre of Stuttgart.

From 1931 to his death in 1966 Komenda was chief engineer and leader of the Porsche car-body-construction department.

Porsche Typ 12, 1931 / 32 by Zündapp Nürnberg

T. V. Barker, who developed the classification-angle system, was about to begin the systematic compilation of the index when he died in 1931.

Some of the most influential contemporary classical double bass players are known as much for their contributions to pedagogy as for their performing skills, such as US bassist Oscar G. Zimmerman ( 1910 – 1987 ), known for his teaching at the Eastman School of Music and, for 44 summers at the Interlochen National Music Camp in Michigan and French bassist François Rabbath ( b. 1931 ) who developed a new bass method that divided the entire fingerboard into six positions.

Rickenbacker offered a cast aluminum electric steel guitar, nicknamed " The Frying Pan " or " The Pancake Guitar ", developed in 1931 with production beginning in the summer of 1932.

The modern theory of probability based on the measure theory was developed by Andrey Kolmogorov ( 1931 ).

By 1931, the band theory of conduction had been established by Alan Wilson and the concept of band gaps had been developed.

The most developed version of this idea was in a 1931 booklet by Myasnikov.

Cadillac ( from 1930 to 1940 ) and Marmon ( 1931 – 1933 ) even developed V16 engines.

The S. 6B was a British racing seaplane developed by Mitchell for the Supermarine company to take part in the Schneider Trophy competition of 1931.

* 1931 – synthetic rubber called neoprene developed by Julius Nieuwland ( see also: E. K.

* 1931 – Nylon developed by Wallace Carothers

The terminology used to state these conditions was not yet developed in 1931 when Gödel published his results.

This was not successful, but in 1916 work was started the Bristol F. 2A, which was developed into the highly successful F. 2B Bristol Fighter, one of the outstanding aircraft of the 1914-18 war and a mainstay of the R. A. F during the 1920s: it remained in service until 1931.

It was developed in Rheinfelden in 1931, on the initiative of a master brewer called Alex Villinger, and was subsequently produced by the company Cenovis SA.

** the CIE 1931 color space developed by the International Commission on Illumination

It was originally explored in 1929 by Leo Lambert who developed trails and installed lights and opened the cave to the public on June 28, 1931.

The population rose dramatically between 1921 and 1931, when the London County Council developed the Becontree Estate.

It was developed gradually from 1921 to 1925, and incorporated as a city in 1931.

The town is most famous for the Wall Drug Store, which opened as a small pharmacy in 1931 during the Depression, but eventually developed into a large roadside tourist attraction.

After a disastrous spell at stockbroking with Buckmaster and Moore, in 1931, 25-year-old Pakenham joined the Conservative Research Department where he developed Education policy for the Conservative Party.

A list of several hundred such fees held in chief between 1198 and 1292, along with their holders ' names and form of tenure, was published in three volumes between 1920 and 1931 and is known as The Book of Fees ; it was developed from the 1302 Testa de Nevill.

In 1931, Finnish aero engineer Toivo J. Kaario began designing a developed version of a vessel using an air cushion and built a prototype ( Surface Soarer ), in 1937.

In 1931 the GN also developed the " Inside Gateway ," a route to California that rivaled the Southern Pacific Railroad's route between Oregon and California.

Also in late 1931, RCA Victor developed and released the first 33⅓-rpm records to the public ( known as " Program Transcriptions ").

The Imperial Japanese Navy followed by ordering the Heinkel He 50 in 1931, which they developed into their own Aichi D1A.

The production vehicle was called the Datson Type 10, and " approximately ten " of these cars were sold in 1931.

* Supermarine Type 179 ( 1931 )

The prototype machine was finally completed as 91-shiki injiki ( 九一式印字機 ) (" Type 91 print machine ") in 1931.

Vickers Type 161, c. 1931

Gun Fighter ( 1930 ) and Vickers Type 161 ( 1931 ) were designed in response to Air Ministry specification F. 29 / 27.

In 1931 bought 15 twin-turret tanks Mk. E Type A, and a license.

The lap record for the 146km " Grande " circuit was 2 hours 3 min 54. 8 seconds set by Achille Varzi in a Bugatti Type 51 at the 1931 race at an average speed of.

The design of the car is intended to echo the 1931 Bugatti Type 50 and the Bugatti Type 57SC Atlantic.

The first DOHC engines were either two-or four-valve per cylinder racing car designs from companies like Fiat ( 1912 ), Peugeot Grand Prix ( 1913, four-valve ), Alfa Romeo Grand Prix ( 1914, four-valve ) and 6C ( 1928 ), Maserati Tipo 26 ( 1926 ), Bugatti Type 51 ( 1931 ).

Possibly the last fighter to use the Farman pusher configuration was the 1931 Vickers Type 161 COW gun fighter.

Having been outspoken in her desire to compete with the men, she achieved her goal and in 1931 and drove a Bugatti Type 35C in five major Grands Prix in France.

As there was an insufficient budget to equip even a limited part of the Infantry with fully tracked vehicles this plan was abandoned, but on 20 March 1933 Renault received an order from the STMAC ( Section Technique des Matériels Automobiles de Combat ) to develop a prototype of a different design discussed with Weygand: a command vehicle corresponding to the specifications of 9 January 1931 for a so-called Type M.

On 9 January 1931 the French Artillery officially issued the specifications for a Type P, which was to be a véhicule antichar, a self-propelled antitank-gun, that was to serve in the Maginot Line as a tank destroyer.

Two types of turret are being used: the Modèle réglementaire AVIS-1 fitted with the 7, 5 mm Modèle 1931 Type C machine-gun and an ammunition stock of 2250 rounds and the AVIS-2 with a 13, 2 mm machine-gun.

The specifications for such a type had been issued on 9 January 1931: it was then named the Type M. Renault had built two prototypes of boiler plate, based on the AMR 33 chassis, in 1933.

The 1931 Type 11 had the same engine and was called a " Datson ".

The specifications for the U. S. Army Air Corps Type A-2 jacket ( regulation summer flying jacket ), adopted in 1931 and the most familiar among all leather flight jackets, stated that it should be made of horsehide tanned to seal brown.

1931 Bugatti Type 51

The original Type 51 bowed in 1931.

Chassis no. 41. 121, Bugatti Type 41 Royale ' Weinberger Cabriolet ' 1931

The associated placard, in its entirety, reads: " 1931 Bugatti Royale Type 41 Cabriolet, Ettore Bugatti, Molsheim, France, Body by Weinberger, OHC, in-line 8 cylinder, 300 horsepower, 779 cu. in.

The Type 53 used the () engine from the Type 50 road car was fitted to the chassis of the Type 51 racer to create the 1931.