Planet Earth

PSM V40 D411 Electric helicopter and aeroplane

Similar

ARAGO Francois Astronomie Populaire T1 page 0042 Fig3

Image taken from page 255 of 'Metallurgy. The art of extracting metals from their ores, and adapting them to various purposes of manufacture, etc' (11239017384)

Plate, Cyprus, Greek and Roman art

Recueil de planches, sur les sciences, les arts libéraux, et les arts méchaniques - avec leur explication (1772) (14595186570)

Fabrik Produktbild. Bolinders Mekaniska Verkstads AB

Atti della R. Accademia delle scienze di Torino (1891) (14598094907)

PSM V40 D411 Electric helicopter and aeroplane

description

Summary

Electric helicopter and aeroplane

Public domain photograph related to electrical equipment, industrial development, free to use, no copyright restrictions image - Picryl description

label_outline

Tags

helicopter flight mechanics

history of helicopters

popular science monthly illustrations volume 40

scientific illustrations

science history

popular science

date_range

Date

1891 - 1892

create

Source

Wikimedia Commons

link

Link

http://commons.wikimedia.org/

copyright

Copyright info

public domain

Explore more

helicopter flight mechanics

history of helicopters

popular science monthly illustrations volume 40

scientific illustrations

science history

popular science