BAIRD &. TATLOCK. (LONDON) LTD. 



1321 



1321 T Pocket Dissecting Microscope S. (Bausch &Lomb's). With one doublet lens 



Stand. Mahogany box, measuring 102 by 65 by 45 mm. ; reversible cover slides in groove, with stage and lens 

 mounting on under side inverted, microscope is in position for use, right side up, box is closed. 



Lens. Doublet, No. i, 2 or 3 regularly supplied ; lens arm also will hold any of our regular magnifiers Hastings, 

 Triple Aplanat or Coddington (see Nos. 1290-1318). 



Lens Arm. Swings across field on revolving post, adjustable for focus ; distance from centre of post to centre 

 of lens, 35 mm. 



Stage. Glass, 44 by 40 mm. ; fits in grooves in wooden supports, attached to cover ; black and white metal 

 plate also supplied for use as opaque background. 



Mirror. Plane, 44 by 40 mm. ; set at proper angle beneath stage, in same wooden supports. 



076 



1322-1323 



Dissecting Microscope T. (Bausch & Lomb's). After design of Dr. Charles R. Barnes. 

 1322 T No. T 1. With one doublet lens .. 



1323 T No. T 2. With two doublet lenses 



Stand. Block of wood, neatly finished and fashioned to provide hand rests ; bottom measures 250 by 90 mm. ; 

 base is hollowed and hinged to constitute suitable case for accessories. 



Lens. Doublet No. i , 2, or 3 regularly supplied ; lens arm also will hold any regular magnifier Hastings, Triple 

 Aplanat or Coddington. 



Lens Arm. Swings across field on revolving post, adjustable for focus ; distance from centre of post to centre of 

 lens, 50 mm. 



Stage. Glass, 80 by 70 mm., removable ; black and white metal plate also supplied for use as opaque back- 

 ground. 



Mirror. Plane, 75 by 72 mm. ; mounted at proper angle in grooves beneath stage and removable. 



096 

 12 3 



CROSS STREET HATTQN GARDEN, E-O 



262' 





