What is "microphotographs"

Usage examples of "microphotographs".

I have tried the rifles and the firing pins, one by one, and after I made microphotographs of the firing pins with special reference to the rounded ends and also photographs of the corresponding rounded depressions in the primers fired by them, it was forced upon me that cartridges fired by each individual firing pin could be positively identified.

I have secured excellent microphotographs of the marks made by various weapons on the cartridges and bullets.

He was busily engaged in testing something through his powerful microscopes and had a large number of curious microphotographs spread out on the table.

On making microphotographs of firing pins or hammers, with special reference to the rounded ends and also photographs of the corresponding rounded depressions in the primers fired by them it is forced on any one that cartridges fired by each individual rifle or pistol can positively be identified.

I have here, also, about a hundred microphotographs of the fibres in other kinds of paper, many of them bonds.

I have here also about a hundred microphotographs of the fibres in other kinds of paper, many of them bonds.

Though microphotographs (of a lesser reduction) had carried messages to beleaguered Paris as far back as 1870, a tip to the F.