№ 1286-1289. The monuments of science and technique. Bicycles

Collapsible bicycle of the military sample of "Leytner". Russia. 1917. Manufacturer: A. Leytner’s Factory of bicycles and cars "Russia". Features: bicycle was made by order of Russian army. The collapsible mechanism is made on the principle of "a gun shutter» and gives the chance to fit up the car in any conditions quickly. The small weight (16 kg) offered an opportunity for transferring it on a back.

Racing track bicycle GM-30. The USSR. 1938. Manufacturer: Moscow bicycle factory (MVZ) Features: the Sports track bicycle with wooden rims and frame from thin-walled steel pipes. The back plug is deprived of free wheeling.

Bicycle ZiCh-1. The USSR. 1946. Manufacturer: Factory n.a. Tchkalov (ZiCh). Features: model differs with original design and has switching system of three gearing.

Road female bicycle V-22. The USSR. 1954. Manufacturer: Kharkov bicycle factory n.a. G.I.Petrovskiy. Features: Representatively reflects class of road bicycles with an open frame. The most widespread model of female bicycle in our country in 1950-1960.

Bicycle is the most widespread vehicle all over the world, easy, convenient, simple-to-operate. Stamps represent models of domestic bicycles from collection of Polytechnical museum.