SUMMARY OF CURRENT RESEARCHES. 



635 



MICROSCOPY. 



A. Instruments, Accessories, &c* 

 (1) Stands. 



Old Microscope by Shuttleworth. — Tkisi instrument 3 (fig.2 138) 

 presented by Mr. C. Lees Curties, was made b}' Shuttleworth, of London, 

 and is a modification of Ellis's Aquatic Microscope, described by Adams. 

 The pin supporting the lens holder goes through! the middle of the 

 pillar, but the stage does not move by a rackwork, as is the case in 



Fig. 138. 



the model by Bate presented to the Society last year.f In other respects 

 the two instruments are much the same. There are four object glasses, 

 two of which have lieberkuhns. 



Old Microscope by W. and S. Jones.— This old Microscope, pre- 

 sented to the Society by Mr. W. S. Rogers at the April Meeting, bears 

 the inscription " W. and S. Jones, 30 Holborn, London." Its date is 

 about 1800, and it is a modification of Ellis's Aquatic Microscope, which 

 was made by Cuff about 1751. The modification consists in the 

 pillar being made cylindrical, instead of square, with an inner sliding 



* This subdivision contains (1) Stands; (2) Eye-pieces and Objectives; (3) Illu- 

 minating and other Apparatus; (4) Photomicrography; (5) Microscopical Optios 

 and Manipulation; (G) Miscellaneous. f See this Journal, 1904, p. 354. 



