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D'Arsonval's galvanometer |
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D'Arsonval's galvanometer (Siemens) |
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Davy lamp |
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De la Rive electric egg |
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Demonstration apparatus for Hertz's experiments |
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Demonstration galvanometer |
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Densimeter |
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Despretz - d'Arsonval galvanometer |
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Despretz's apparatus for the propagation of the heat |
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Diffusion pump |
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Direct vision spectroscope |
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Discharge tube |
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Double cone with inclined plane |
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Double cylinder for the Archimedean principle |
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Drum armature with bipolar winding |
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