1923 – EPRON-1 Humidistat – E. G. Danilenko (Russian)

1923 – EPRON-1 Humidistat – E. G. Danilenko. Гидростат Даниленко Е.Г. «Ð­ÐŸÐ ÐžÐ-1» Source: here. Original text by Alexey Rasshivalov, translated to English by Google translate. The first domestic ( and second in the world) DHD humidistat , better known as " EPRON -1 ." Built in 1923, the project EG Danilenko . Heavy machine to …

1923 – Walking Lunar Rover (Science Fiction) – Homer Eon Flint (American)

The vehicle in the book is described as being bee-like; when not flying, then walking. During the 1920s and 1930s, the lunar rovers of science fiction were sometimes more humorous than scientific. Homer Eon Flint, in 1923, proposed in his novel "Out of the Moon"  what might be termed an ornithomorphic design.  It resembled a …

1923 – Mávag-Fiat “Mocher Wagen” – (Hungarian)

Scale model of Mávag-Fiat "Mocher Wagen", 1923 with feet propulsion replacing conventional rear wheels. Picture from the review 'Wheels and Tracks' N° 61 about 1998. [ Source: Unusual Off-Road Vehicle Locomotion ] MÁVAG, or Magyar Allami Vas-, Acel-, es Gepgyarak (Hungarian State Iron, Steel and Machine Works), was based in Budapest and began building steam locomotives …

1923 – The Electric Dog – Hugo Gernsback * (American)

(Source: Practical Electrics Sep. 1923 ed Hugo Gernsback) This electric dog follows a magnetic walking cane in any direction like an obedient servant. Simply hold the cane in front of the dog's nose, whereupon the dog starts running and will follow the cane straight ahead or to the right or left as desired. See pdf …

1923 – Claudo the Mechanical Man –

information sourced from http://monsterkidclassichorrorforum.yuku.com/topic/25847 But thanks to a recent eBay purchase and some additional research of my own, I now know the still to be precisely what it claims to be… an MGM publicity still, circa 1928, when LONDON AFTER MIDNIGHT was enjoying its initial run in theatres. The 'mystery man' in the photo is …