


The Leavitt pumping engine.
From Appletons’ cyclopaedia of applied mechanic vol. 2, edited by Park Benjamin, New York, 1880.
(Source: archive.org)
The Dayspring notebooks I got from 3 for 2.99 at Walmart have well-spaced lines which are even throughout the notebook.
The paper works very well with soft pencils and exceedingly well with pencils with a bit of a scratch factor which means that you hear it when it writes. That works out well actually as you jotting notes and perhaps not looking while you are writing but because you can hear the pages receiving the mark you know that it was written. Silent writing, like silent keyboards, give no pushback and so you don’t you tapped those keys. Notice that next time around…the keys make some type of noise, however light and unobtrusive it is. There is not only a push factor when hitting the keys but also a sound factor that gives back a response. That is the “scratch” factor.
Next is ghosting. That’s when you write with a dark pencil, I use Lyra’s btw, the pencil black shows up on the back of the other page. I have not seen that with Daysprings, another phenomenal feature of this cheap 3.5 x 5.5 notebook.
Dayspring notebooks I got from 3 for 2.99 at Walmart have well-spaced lines which are even throughout the notebook. The...