BAIRD & TATLOCK (LONDON) LTD. 



1822-1829 



1827 



Becker's Gramme Weights, in polished mahogany boxes, lined with velvet, every piece 

 fitted separately ; the fractions of the gramme are made of aluminium, and are covered 

 by glass slab. 



1822" 20 gramme piece and down to i milligramme 



1823" 50 i 



1824" 100 i 



1825" 200 i 



1826 U 500 ,,,,,,,,1,, 



1827" i kilogramme piece and down to i milligramme 



Becker's Grain Weights, in polished mahogany boxes, lined with velvet, every brass 

 piece fitted separately ; 10 grains and downwards are made of aluminium, and are 

 covered by glass slab (Fig. 1822-1829). 



1828 U 1,000 grains down to T g ff grain .... .... 



1829" 10,000 . . . . - . . ' 





10 

 12 

 13 

 15 

 19 

 1 3 



12 

 19 



1830 Set of Aluminium Grain Weights 



1830 



5, 2, 2, i 5, 2, 2, i 5, 2, 2, i (as in sets Nos. 



grams 



tenths hundredths 1828 and 1829) 



047 



14 -CROSS STREET HATTQTST GARDEN, E-C 



374 



