Lantern Slides

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Diatoms var

Diatoms var

Dicker Mill

Didium albicans ( thrush yeast )

Diphtheria

Diphtheria

Distillation apparatus

Distillation apparatus

Distinction between wells and boreholes

District pressure during boxing / boat race

District pressure during King's broadcast

District pressure variation & 2 min silence

District staff

Ditton materials store

Divining for metallic veins in the 16th Century

Do you know poster

Domestic installation flyer

Domestic water system section drawing

Don't waste water poster

Double aqueduct

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