A pretty illustration of the extent to which practical demonstration is sometimes carried in popular scientific lectures war given one evening lately iv the Cooper Institute, New York, when Professor Spice measured, before a large audience, the velocity of a rifle ball fired across the stage. The distance was only 33ft. Lieutenant Merriam co-operated, and his duty was to shoot away, with a Creedmoor rifle, two loose wires, each of which connected in an electric circuit two globules of mercury. One wire was placed just in front of the supported muzzle of the rifle, the other 33ft distant. Two levers were arranged, with bent wire points,
Permanent link to this item
https://paperspast.natlib.govt.nz/newspapers/NEM18800406.2.14.1
Bibliographic details
Nelson Evening Mail, Volume XV, Issue 82, 6 April 1880, Page 4
Word Count
106Page 4 Advertisements Column 1 Nelson Evening Mail, Volume XV, Issue 82, 6 April 1880, Page 4
Using This Item
No known copyright (New Zealand)
To the best of the National Library of New Zealand’s knowledge, under New Zealand law, there is no copyright in this item in New Zealand.
You can copy this item, share it, and post it on a blog or website. It can be modified, remixed and built upon. It can be used commercially. If reproducing this item, it is helpful to include the source.
For further information please refer to the Copyright guide.
Log in