A treatise on the art of flying by mechanical means, with a full explanation of the natural principles by which birds are enabled to fly; likewise instructions and plans for making a flying car with wings, in which a man may sit, and, by working a small lever, cause himself to ascend and soar through the air T Technology
How to succeed as an inventor; showing the wonderful possibilites in the field of invention; the dangers to be avoided; the inventions needed; how to perfect and develop new ideas to the money making stage T Technology
Métallurgie pratique du fer; ou, Description méthodique des procédés de fabrication de la fonte et du fer .. T Technology
Manuel de photographie pratique : guide complet pour l’exercice de cet art, accompagné de rapports spéciaux sur les dernières expériences et améliorations & d’un traité détaillé de la stéréoscopie à l’usage des photographes et des amateurs T Technology
