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SUMMARY OF CURRENT RESEARCHES RELATING TO 
33 Regent Street, Piccadilly, engraved on it; ; it is also numbered 33. 
Probable date, 1842, 43. 
Hartnaek’s New Microscope for Flesh Inspection. — In external 
build this instrument resembles somewhat the English model. It is 
Fro. 4S. 
fitted with a specially broad table-plate (170 x 80 mm.), in order more 
conveniently to explore a compressorium with a larger number of pre- 
parations. The adjustment is by rack-and-pinion. 
Reichert’s Mechanical Stages.— Fig. 49 is a less expensive form of 
the stage already figured in our Journal, 1893, p. 527, and can also be 
used with smaller stands. It is a combination of sliding bar and 
