88 SEC. 3. MEASUREMENT. 



362a. Case of Weights and Measures. T. Oertling. 



'Containing 



Set of weights from 1 kilogramme to 1 milligramme. 



Set of weights from 50 grammes to 1 milligramme. 



Set of weights from 1,000 grains to -^ grain. 



Set of weights for assaying silver, 1,000=1 gramme, in 



circular ivory box. 

 Sets of weights of rock crystal (one spherical set), from 50 



grammes. 



Set of measures from \ litre down. 

 Dikes' hydrometer, as supplied to the Honourable Board of 



Inland Revenue. 

 Bates' saccharometer, as supplied to the Honourable Board 



of Inland Revenue. 

 Set of petroleometers for testing liquids of 650 to 900 



specific gravity. 

 262b. Iridio-Platinum Standard Kilogram. 



Johnson, Matthcy, and Co. 



323. Standard Weights, according to natural principles. 



Hans Baumgartner, Basle. 



374. Sets of Weights and single Weights from 1 kilo- 

 gramme, made of rock-crystal ; amongst them some which have 

 been examined and marked with an index error by the Imperial 

 Commission for regulating Standard Weights and Measures at 

 Berlin. Hermann Stern, Oberstcin. 



The weights, as well as the measures of quartz or rock-crystal, were 

 many years ago recognised as the best and most correct ; but no one has, up 

 to this time, executed them in such a manner as to afford institutes an op- 

 portunity of procuring them ; which want has now been supplied by the 

 exhibitor. 



The other objects of agate are such as are produced by the Oberstein-Idar 

 grinding and polishing mill, and can be employed in different kinds of 

 machinery. 



374a. Series of Spherical Standard Weights in Quartz, 



from 1 kilogramme to 1 milligramme. A. Hilger. 



374b. Standard Kilogramme Weight, quartz sphere, on 

 brass stand. A. Hilger. 



374c. Standard Kilogramme Weight, of guaranteed value 

 1-0000019 kilo. A. Hilger. 



387. Set of Pharmaceutical Weights from O'Ol grammes 

 to 200 grammes (19 pieces). 



Kleemann, Mechanical Engineer, Halle. 



Representation of the Weights and Measures used in 

 the time of Henry VII., as well as the mode of punishment of 

 fraudulent traders, copied from a painting on panel of the period 

 (doubtless official). Gardner Collection. 



