540 



Solar Microscopes. 



No. 54450 



54 457. 1 : 2. 



54461 54463. 1:4 1:8. 



54 460. 1:3 1:4. 



54,450. Solar Microscope combined with Wall Heliostat No. 50,208, for wall thickness to 

 54 cm 



54.451. - - idem, with Wall Heliostat No. 50,209, for wall thickness of 60 cm 



54.452. idem, with Wall Heliostat No. 50,210 for 78 cm wall thickness . 



s. d. 

 12. 10. 



13. 5.0 



14. 0.0 



Objectives for preceding Solar Microscopes: 



List No. 54,453 54,454 54,455 

 Size 1 2 3a 



0.18.0 0.18.0 1.4.0 



51.054. Revolving Nose-piece for 2 Objectives, for rapidly changing the magnification . . . 



51.055. Revolving Nose-piece for 3 Objectives . . 



54,456. Microscopical Specimens Each 7 d., 10 d., 1 s. d. and 



Complete price list on application. See also Nos. 51,062 51,063. 



Hand Telescopes. 



Goerz "Trieder" Binoculars, Figure: 



List No. 54,457 54,458 54,459 



Power 6 8 1:.' 



Weight 360 515 590 grams 



6. 10. 7. 0. 9. 10. 



54,460. Field and Opera Glasses, Figure, with 6 and 12 lenses. Prices according to style 

 and quality .... 0. 15. 0, 0. 18. 0, 1. 0. 0, 1. 4. 0, 1. 7. 0, 1. 10. 0, 1. 13. to 



Telescopes with extensions, with strap; Figure: 



List No. 54,461 54,462 54,463 



Diam. of Objective mm 29 .'?(> (."> 



1.0.0 1.5.0 2.0.0 



0. 16. 

 1. 2.0 

 0. 1.6 



5. 0. 



Cl. 1524, 1523. 

 1525. 1567. 



