No. 54473. 



Solar Microscopes. Opera, etc. Glasses. Telescopes. 



541 



54472, 54472a. 1: 16. 



54473, 54 473 a, 54 473 b. 1:11. 



Astronomical Telescopes. 



Telescopes, Fig. 54,470, on metal stands having horizontal and vertical hand motion, in 

 lock-up box: 



s. d. 



The fine motion listed under (b) permits of pointing in a horizontal and vertical direction, cf. 

 Pig. 54,473. 



Telescopes with simple Wood Stand, for setting up on the floor, Fig. 54,472, tube 

 in case. 



The fine motion listed under (b) permits of setting in a horizontal and vertical direction, cf. 

 Fig. 54,473. 



Cl. 1569. 6010. 



