900 



SECTION XVIII. BIOLOGY. 



SOUTH GALLERY, UPPER FLOOR, ROOM 



I. -MICROSCOPES AND ACCESSORY APPARATUS. 

 (.) MICROSCOPES OF HISTORICAL INTEREST. 



3510. Compound Microscope, invented and constructed 

 about 1590 by Zacharias Janssen, spectacle-maker, at Middle- 

 burgh, Netherlands. 



The Scientific Society of Zceland, Middleburgh. 



Galileo's Microscope, then called Occhialino. Only the 

 little tube remains, the lenses are wanting. 



The Royal Institute of" Studii Superiorly" Florence. 



Viviani, in his life of Galileo, and in the inscriptions which be placed upon 

 his house in the Via dell' Amore in Florence, states that the first microscope 

 invented and constructed by Galileo was presented by him to the King of 

 Poland in the year 1612. 



Prince Cesi, the founder of the Accademia de' Lincei in Rome, writing to 

 Galileo in 1624, saj-s "that he had received the instrument lately made by 

 " him (Galileo) for the observation of very small things, &c." And Im- 

 periali, in a letter to Galileo, dated 5th September 1624, writes as follows : 

 " I have not words enough to thank you for the occhialino which you were 

 " so kind as to send me. It is quite perfect, and has many most admirable 

 " points, as indeed have all your inventions." 



3511. Two Microscopes 9 by Jan van Musschenbroek, a 

 Dutch mechanician (b. 1687, d. 1748). 



Prof. Dr. P. L. Rijke, Leyden. 



3512. Microscope, of silver, used by Anthony van 

 Leeuwenhoek, the Dutch Philosopher (b. 1632, d. 17.23), in his 

 investigations, and probably constructed by him. 



Prof. Dr. J. A. Boogard, Director of the Anatomical 

 Museum, Academy of Leyden. 



3527. Old Microscope, 1705, made by J. Marshall in Lon- 

 don, with seven objectives, objective table, object stand of ebony 

 ivory plates, two forceps, needle, and leaden channel. Property 

 of His Highness Prince Pless, Castle Fiirstenstein. 



Prof. Poleck, The Breslau Committee. 



3628. Microscope, by Musschenbroek, in leather case. 



Royal Museum, Cassel (Director, Dr. Pinder). 



