Free and Discounted Ebooks
Join 130,000 readers! Get our ebook deals straight to your inbox.

Scientific American Supplement, No. 430 (March 29, 1884)

Cover image for


Author: Various Authors
Published: 1884
Language: English
Wordcount: 36,984 / 115 pg
Flesch-Kincaid Reading Ease: 35.5
LoC Categories: AP, Q
Downloads: 606 363
Genre: Periodical

e same dimensions would; therefore, for any given accommodation we should require a much smaller vessel, demanding less power to propel it at a given rate of speed, costing less, and affording easier management.

A further convenience arising from electromotive power is the absence of combustibles and the absence of the products of combustion-matters of great importance; and for the milder seasons, when inland navigation is principally enjoyed, the absence of heat, smell, and noise, and, finally, the dispensing with one attendant on board, whose wages, in most cases, amount to as much or more than the cost of fuel, besides the inconvenience of carrying an additional individual.

I do not know whether the cost of motive power is a serious consideration with proprietors of launches, but it is evident that if there be a choice between two methods of equal qualities, the most economical method will gain favor. The motive power on the electric launch is the electric current; we must decide upon the mode of pro



Join 120,000+ fellow readers! Get Free eBooks and book bargains from ManyBooks in your inbox. 

We respect your email privacy

login | register

User ID


reset password

Author of the Day

L.L. Collins
When L.L. Collins isn't wrangling 25 preteens during her day job as a teacher, she writes heartfelt, emotionally charged romance novels. Books in which the heroes are not always alpha males and the heroines everything but perfect. In her book, Snared, Collins also addresses tough subjects such as mental health and foster care. As our author of the day Collins reveals why she chose to write about a shy rock star, her own experience with foster care and talks about her journey as an author.
Read full interview...