381 



lV<iTiption of Instrument. 



Heliographs 

 Heliostat. with block 

 Hydrometer?, various 

 Hygrometers 

 Hypsometers 



£ ». d. 



130 4 



n io o 



762 



19 



24 



Indicators, Richard's steam engine 



Ink writers, telegraphic 



Instruments, mathematical drawing, in eases 



Instruments, vibrating call signal 



Instrument, telegraph, double and single current 



Insulators, various - - - 



Insulating stand - - - - 



Integrators - - - - - 



213 10 3 



950 



1,295 



10 



2«2 



15,588 12 11 



110 



17 



Keys, telegraphic 



Keys, firing 



Keys, reversing, Thomson's 



Lactometers - 



Lamps, referring, <fec. 



Lamps, miners' surveying 



Lamps, electric incandescent 



Lathes - 



Lenses for eye-pieces 



Lens, rapid rectilinear photographic 



Levels, astronomical 



Levelling instruments, reversible 



Levels, reflecting 



Levels, spirit block - 



Levels, striding - 



3 12 



17 1 



110 



54 5 7 



278 



118 19 6 



9 



15 



4,416 



112 8 



35 



24 



Machine, drilling 

 Magnets for relays 

 Magneto-inductor bridge 

 Meters, air 

 Microscopes, various 

 Mirrors for sextants 

 Mirrors for heliographs 

 Mines, submarine - 

 Miners' dial 

 Micrometers 



Nickel anodes 



Observing chair 

 Observatory dome - 

 Ophthalmic test glasses 



35 



40 



16 10 

 8 8 



216 19 



32 14 6 



70 4 4 



2,2£7 14 



17 10 

 12 4 



23 



5 







250 











25 



4 







