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"22. PHYSICS" in subject
Air pump (1 of 2)
probably made in Germany
© National Museums Scotland
000-100-104-181-C
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Air pump (2 of 2)
probably made in Germany
© National Museums Scotland
000-190-002-250-C
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Air pump (detail)
probably made in Germany
© National Museums Scotland
000-190-002-251-C
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Apparatus
probably made in Edinburgh
© National Museums Scotland
000-100-104-183-C
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Apparatus (detail)
probably made in Edinburgh
© National Museums Scotland
000-190-002-253-C
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