Ixii I REPORT — 1871. 



Gary's Large Levelliijig Instrument (twenty-one parts) Eoyal Soc. 

 Troughton and Simmis's Large Levelling Instrument "1 



(twenty parts) J " 



Adams's 5-incli Tlieodolite (two parts) „ 



Bowles's Trigonometer (four parts) „ 



Trougbton's Repeating Circle, of 1 foot diameter . . „ 



Eamsden's 10-inch Protractor, with. Yeruier to 1' . . „ 



Bird's 12-inch. Astronomical Quadrant (fifteen parts) „ 



Fordyce's Hydrometer „ 



Cole's Orrery, explanatory of Eclipses „ 



Two Miner's Compasses „ 



Armed Loadstone „ 



Le Cerf's Brass Instrument „ 



Curious Steel Callipers for very accurate measure- "I 



ment, by Paull of Geneva : 1777 J 



Eowning's Universal Constructor of Equations .... „ 



Chronometer Stove, for ascertaining the Influence of "1 



Temperature on the Bate of Chronometers (six V „ 



parts) J 



Wedgewood's Pyrometer ; or Thermometer for mea- 1 



suring high degrees of heat (sixty-six parts) .... J " 



Two strong Brass PuUeys ,, 



Bird's 4-feet Eofracting Telescope „ 



Dicas's Hydrometer „ 



Hadley's Metal for a Newtonian Eeflcctor, with l 



several wooden Eyepieces, but without Tube or >■ „ 



Mounting J 



Troughton and Siinms's 6-inch Circular Protractor. . „ 



Baily's Pendulum, No. 2 Eoy. Ast. Soc. 



Standard "Wrought-iron bar used in Mallet's Expo- 1 -n -i. a 



riments, 1838-1842 | ^"'^- ^^'°''- 



Observing Telescope used by Schlagintweit. 



Experimental Tubes employed in the construction of ] p, p , 



"Welsh's Standard Barometers J 



Six 39-inch GlasB Slabs. 



Sixty Lamp Chimneys Brit. Assoc. 



Eight 14-inch Magnets. 



Sundry Lamps, Plate Boxes, Daguerotypes and Ap- I 



paratus employed with Eonalds's Self-recording v Donat. Fund. 



Barograph and Magnetograph J 



Sundry Chemical Apparatus used with Addams's Car- 1 p p , 



bonic acid Gas Generators J 



Three large Magnetometers with Marble Slabs, Pil- 

 lars, Eeading Telescopes, &c. 

 Two Thermometer Testing -jars (damaged). ....... Brit. Assoc. 



Two 6-uich Bull's-eye Lenses. 



Sir W. Thomson's Portable Atmospheric Electro- \ Prof. Sir W. 



meter j Thomson. 



Sir "W. Thomsonis Eecording Atmospheric Electro- 1 



meter J J " 



Various pieces of Electrical Apparatus SirF.Eonalds. 



Sundry Lenses, 



