No. 61 996. 



Precision-Rheostats. Rheostats for Technical Purposes. 



923 



sis 



61 977 A. 





61 977 B. 



61 996. 



Four Decades: * <* 



List No. 61,974 61,975 61,976 



Resistance 10 X 0.1,1, 10 & 100 10x1, 10, 100 & 1000 10x10, 100, 1000 & 10,000 ohms 

 20. 10. 20. 10. 20. 10. 



<il.!>77. Five Decades: 10x1, 10, 100, 1000 & 10,000 ohms i>r>. !().( 



Technical Decade Resistances, of Manganin, Figure, connected up to switch contacts; 



adjustment accurate to at least 0.5%. 

 One Decade: 



List No. 61,979 61,980 61,981 61,982 61,983 61,984 



Resistance 10x0.1 10x1 10x10 10x100 10x1000 10 x 10,000 ohms 



3. 0. 3. 0. 3. 0. 3. 0. 3. 10. 4. 10. 

 Two Decades: 



List No. 61,985 61,986 61,987 61,988 61,989 



Resistance lOxO.l&l 10x1 & 10 10x10 & 100 10 x 100 & 1000 10 x 1000 & 10,000 ohms 



5.5.0 5.5.0 5.5.0 5.5.0 5.10.0 



Three Decades: 



List No. 61,990 61.991 61,992 



Resistance 10x0.1, 1 & 10 10x1, 10 & 100 10x10, 100 & 1000 ohms 



7.15.0 7.15.0 7.15.0 



Four Decades: 



List No. 61,993 61,994 61,995 



Resistance 10x0.1, 1, 10 & 100 10x1, 10, 100 & 1000 10x10, 100, 1000 & 10,000 ohms 

 10.5.0 10.5.0 10.5. 



;i,<t<ii. Five Decades: 10 xl, 10, 100, 1000 & 10,000 ohms 12.10.0 



Cl. 51 f, 53 f, 68 r. 



