Category: Biographies
Philipp Reis, or, as his full name appears from his autobiographical sketch to have been, Johann Philipp Reis, was born on the 7th of January, 1834, at Gelnhausen, in the principality of Cassel. His father, who belonged to the Evangelical Church, was a master baker, but also p...
1. Professor G. Quincke. 2. Professor C. Bohn. 3. Herr Léon Garnier. 4. Ernest Horkheimer, Esq. 5. Dr. R. Messel, F.C.S. 6. Herr Heinrich Holt. 7. Herr Heinrich F. Peter. 8. Mr....
4. CHAPTER IV.The following documents, drawn from the scientific literature of the time, are placed in chronological order, beginning with the first memoir published by Philipp Reis himself,...
3. CHAPTER III.In the present century, when so many facilities exist for the diffusion of knowledge, and when every new discovery and invention is eagerly welcomed and immediately noised abroa...
2. CHAPTER II.In describing the various forms successively given by the inventor to his apparatus, as he progressed, from the earliest to the latest, it will be convenient to divide them into...
5. cm. An inclined mouthpiece of tin with funnel-shaped opening servesto receive the tones. The longer side of this mouthpiece measures 6·7 cm., the shorter 4·7 cm.; the longer diameter of the widening measures 7·15 cm., the shorter diameter 7·5 c...
1. CHAPTER I.Philipp Reis, or, as his full name appears from his autobiographical sketch to have been, Johann Philipp Reis, was born on the 7th of January, 1834, at Gelnhausen, in the princi...
7. Part 1. Geometry on Paper--Part 2. Solidity, Weight, and_Sugar Growing and Refining_: a Comprehensive Treatise on the Culture of Sugar-yielding Plants, and the Manufacture, Refining, and Analysis of Cane, Beet, Maple, Milk, Palm, Sor...
9. Part 3. Levelling--Simple and Compound Levelling--TheLevel Book--Parliamentary Plan and Section--Levelling with a Theodolite--Gradients--Wooden Curves--To Lay out a Railway Curve--Setting out Widths. Part 4. Calculating Quantities...
8. Part 2. Land Surveying; comprising GeneralObservations--The Chain--Offsets Surveying by the Chain only--Surveying Hilly Ground--To Survey an Estate or Parish by the Chain only--Surveying with the Theodolite--Mining and...