Secrets of wise men, chemists and great physicians (1889)
David, Wm. K. (William King) · Chicago : Wm.K. David · leaf 101
. \ W w \ … Tliis is connected with the tuljular support, which may be connected bya tulje through the leg of the stool, and another tube beneath the stage,witli an assistant Ix-liind the scenes. By compressing or exhausting airtlinmgli this tube it is obvious that the lever. N. will be raised or de-prpssed,…
Recipes · Tricks · Medicine -- Formulae, receipts, prescriptions
Internet Archive · Getty Research Institute · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten10unit-403-279.webp)
