Swedish Gun

Bofors 75 mm L40 M1935 gun

For decades it was the field weapon of the Ejército Argentino (Argentine Army)

Soviet Autogyro

А7-3-А, designed by Nikolai Kamov, was an observation aircraft that saw combat in 1941

via tek_blog @ Dieselpunks LJ Community

ВВС Building, London

Built in 1932

Photo by mermaid99 @ Flickr

Oasis

by Tadeusz Gronowski
1926

Bruxelles - Mont des Arts

by saigneurdeguerre @ Flickr

Air Festival

By Géo Ham. 1938

Schneider Trophy, 1926

Major Mario de Bernardi, in his Macchi M.39

Amelia & Autogyro

via lnago @ Dieselpunk LJ community

Armored Engineering Vehicle

Soukou Sagyou Ki was Japan's first Engineering vehicle. Developed in 1935, it was based on the Type 89 Medium Tank. The vehicle was designed to perform the following tasks:

1. Blasting tochca (pillbox) with 300kg demolition
2. Excavating trench
3. Disinfecting gas attack
4. Flame throwing
5. Breaking through obstacle
6. Scattering poison gas
7. Removing mines with mine plow
8. Throwing up smoke screen
9. Crane
10. Bridge layer

The "Manchurian Incident" showed that the vehicle was too small to perform all these tasks perfectly. The vehicle was redesigned and the tasks required of it were decreased. The last type was called the "SS SS-Ki Bo Gata" and could only do tasks 1, 4, 7, and 10 listed above. When Pacific War with the U.S. began, SS-Ki was sent to south front, as a bridge layer. In the battle of Philippines, 1945, the US captured 8 SS-Ki, without bridges. So US forces mistakenly classified SS-Ki as flame throwing tank. SS-Ki's detailed military service is unknown. 119 Produced (total of all types, Kou, Otsu, Hei, Tei, Bo).

Source: TANKS!

Little Flatiron

This multifunctional building, housing a department store, a hotel and a number of municipal offices, was built in Voronezh, Russia in 1930.

Design: AI Popov-Shaman
The building was called Utyuzhok (little flatiron) after the earlier structure that really resembled a flatiron and was demolished in the late 1920s.

Things That Never Happened

1940 Summer Olympics
Tokyo

Time Tunnel

A model of Daimler race car in the wind tunnel of Aerodynamischen Versuchsanstalt, Goettingen
1923

SteamGirls

Hello, holidays! Goodbye, Paris!

via Vintage Poster

AirPack

Light Artillery Tractor

Produced under license from German Hanomag company, the Breitfeld-Danek tractor could tow no more than 3 tons.

In 1925-26, five BD-25s (shown) and twelve more powerful BD-30s were build.

Photo from "Army and Nation" booklet (1938)

Source: valka.cz

Kodak Ektra

An unseccessfull attempt to build a high-class, 35-mm, all-US-made camera.

Ektra story @ Dieselpunks

Italian Tank Destroyer

Semovente Ruotato da 90-53 Breda 501

Useful Knowledge

Learn to drive a motorcycle, it will help you to fight!

The Luckiest Giant

March 1919:

The British airship R33 in its hangar as it prepares for its first ever flight at an aerodrome in Barlow, Yorkshire

via x planes

Chinese Cruisers

The Ning Hai class were a pair of light cruisers in the Chinese fleet before World War II. Ning Hai ("Peaceful Seas"), the lead ship of the class, was laid down in Japan while the follow-on, Ping Hai ("Amicable Seas"), was laid down in China and completed with Japanese assistance to a slightly modified design that included the deletion of seaplane facilities (Ning Hai has a small hanger for two seaplanes).
While Ning Hai was quickly commissioned, tensions between China and Japan plagued the efforts to complete the Ping Hai. Both served as flagships of the Republic of China Navy, with Ping Hai taking over the role from its older sister ship since April 1937. The ROCN had an ambitious plan to procure a larger and more-powerful command cruiser and then to re-assign the two vessels as scouts/flagships of submarine flotillas, but the outbreak of war with Japan put an end to all related efforts (including the acquisition of submarines).
Ning Hai and Ping Hai were sunk in defense of the Kiangyin Fortress, Yangtze River, near Nanking by Japanese aircraft (of which the two ships shot down four) on September 23, 1937, but then re-floated by the Japanese. Originally they were to be transferred to the puppet government of Wang Jing-Wei, but the Japanese then had a change of heart and outfitted them first as barracks hulks and ultimately as 2nd class light cruisers Ioshima (Ning Hai) and Yasoshima (Ping Hai) in 1944.

Both Isoshima and Yasoshima were sunk by late 1944.

Source (text): Wiki (EN)

The Great White Palace of Modernity

Marine Court, Hastings & St. Leonards On Sea

Built in 1936 and designed to resemble the Queen Mary ocean liner. With the lower floors representing the hull, the upper floors were built with wide balconies and at the end step back from the floor below to resemble decks, on the east side the floors are curved to resemble the bridge of the liner, it was even built with a ballroom and sundecks. You may not of been aboard an ocean liner but this was the next best thing.

Photo & comment © love-charlie @ Flickr

J'attendrai Swing

Django Reinhardt & Friends
1939

1938 Schneider Trophy

Conway R-3 vs. Blitzen II

Source
via x-planes

Dutch Poster

By A.M. Cassandre

via Vintage Poster

Scooters Come to Town

Popular Mechanics, August 1939

From Modernmechanix

All-Wing Glider

Storch V

designed by Alexander Lippisch

1929

Source: j2mc Planeurs

Videophone, 1939

via Boing Boing. Most probably a photocollage

French Aviators' Watch

Type XX (or 20), the official watch of l'armée de l'air, is far less known than its Luftwaffe or RAF counterparts. But this beautifully shaped chronograph is a predecessor of the prestigious Breguet Aeronavale, also labeled 'Type XX'. By the way, in the 40s Breguet timepieces for the French air force were domestic production - the watchmaking facilities were transfered to Switzerland only in 1976.
The Chronofixe Type 20 is shown, manufactured by Dodane.

Saab Prototype

Designed by Sixten Sason
1946

Cameraman

Photo by Boris Ignatovich
1930

Dutch Tri-Motor

In 1933 Pander starts building the Pander Postjager, as it is called, and the Pander factory tries to do its utmost to have the new plane flying in December so it can compete in the extra Christmas flight to Batavia that has already been planned by the KLM...
(full story)

Swiss Electric Train

Via gambort @ Flickr