Wood Engraving from 1870
Artist: n/a; Engraver: n/a
100+ years German print ... in excellent condition ... reverse side is blank !
Framed. 15 X 13

Fig. 1. Apparatus for freezing water through evaporation; 2-3. Vessel for capture of carbonic acid; 4-8. Apparatus for determination of specific heat; 9. Hollow mirror to trace heat radiation; 10. leslie's differential thermometer; 11,12 and 15. Melloni's apparatus for tracing heat radiation; 13. Heating of copper sheet through heat radiation; 14. Absorption of radiating heat by gases; 16. Linear thermal column; 17. Curve of thermal intensity of spectrum; 18. Intensity curve of chemical, optical and thermal action of spectrum; 19. Comparison of conductivity of solid objects; 20-21. Cooling of flame passing through wire mesh; 22-23. Davy's safety heat lamp; 24. Heat conduction of water and 25. Gas; 26. Heat expansion through compression of air; 27. Specific heat of air at constant pressure or volume; 28. Formation of vapor through expansion of steam; 29-30. Heat expansion through friction; 31. through compression of lead; 32. Buoyancy of water-steam; 33. Induction stream; 34. Magnet induction stream; 35. Attraction and repulsion of parallel streams; 36. Interrupter; 37. magnetic hammer; 38-39. Geissler's tubes; 40. Rotating copper cube; 41. Diamagnetic repulsion; 42. Circular polarization using electromagnet; 43. Special circuit; 44-45. Action of magnetic poles on liquids.

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