Technology
Glass-blowing is neither very easy nor very difficult; there are operations so easy that the youngest laboratory boy should be able to repeat them successfully after once having been shown the way, there are operations so difficult that years are needed to train eye and hand a...
Extemporised Glass-Blowing Apparatus--The Use of Oil or other Fuels--Making Small Rods and Tubes from Glass Scrap--The Examination of Manufactured Apparatus with the View to Dis...
4. CHAPTER IVGlass, Its Composition and Characteristics. Annealing. Drilling, Grinding, and Shaping Glass by methods other than Fusion. Stopcocks. Marking Glass. Calibration and Graduation o...
2. CHAPTER IIEasy Examples of Laboratory Glass-Blowing--Cutting and Sealing Tubes for Various Purposes; Test-Tubes, Pressure-Tubes, Tubes for High Temperature Experiments--Thermometer-Bulbs,...
3. CHAPTER III_Internal Seals._--It is convenient to class those cases in which a glass tube passes through the wall of another tube or bulb under the heading of "Internal Seals." These are m...
1. CHAPTER IGlass-blowing is neither very easy nor very difficult; there are operations so easy that the youngest laboratory boy should be able to repeat them successfully after once having...