BAIRD &.WLOCK (LONDON) LTD. 



6251 6252 



6251 Lenses, horn mounts, single 



Price 



6252 Lenses, horn (doublet magnifiers), best quality 



Price 



6253 Lenses, horn (triplet magnifiers), best quality 



Price 



6254 Lenses (Coddington magnifiers), German silver mounts, shell frame 



Price 



6255 6256 6257 



6255 Magnets, horseshoe, with keeper, best English make. 



Length .. 2\ 3 4 5 6 9 10 



Price 3d. 4d. 8d. 1/2 1/6 3/6 5/- 

 6256 s Horseshoe Magnets, 8 by i by i in., with adiustable pole pieces for ore separation 



6257 Mallets, beech, morticed . . . . . . . . . . 5 



Price .. .. .. .. .. ' .. 1/6 



12 in. 

 7/- each. 

 12 



7 in. 

 3/- each. 



6258 



6258 s Holloway's Mercury Assay Apparatus, porcelain crucible, silver sheet, and copper 



cooling chamber with inlet and outlet tubes ._. I . . . . . . each 5 



14-CR.O&S STREET HATTON GARDEN, E-C 



1144 



