Artificial sweetener, melted and spread on a microscope slide and allowed to crystallise slowly by cooling on a copper block. Photographed in polarised light on my 1970 Leitz Orthoplan microscope
Artificial sweetener, melted and spread on a microscope slide and allowed to crystallise slowly by cooling on a copper block. Photographed in polarised light on my 1970 Leitz Orthoplan microscope
Artificial sweetener, melted and spread on a microscope slide and allowed to crystallise slowly by cooling on a copper block. Photographed in polarised light on my 1970 Leitz Orthoplan microscope
