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๐ SIMILAR VOLUMES
In uiy ~)residcntid nddress I sliiill cnderivour to expnid this cstiiiintc of tlic rcliitions of strirch niid sugars i i i d port rtiy sotncthiiig of tlic sytiiinctry iiiid tlic rliytlini of the iiiotioiis \vhicIi tlin'crctitiiitc t~licsc sulistaiiccs which, " in like proportions diil'crcntly Clispo
Bechamp introduced the use of iron borings and acetic acid. In I865, Brimmeyer modified Bechamp's process by substitution of hydrochloric acid for acetic acid; this method had become the general practice in 1866. In 1869, the production of aniline was approximately 1,Soo,ooo kilograms. J.S.H.
## Abstract A study is reported of the accuracy with which the geometries of pyranose and methyl pyranoside molecules are predicted by molecular mechanics. Calculations of the conformational energies of the model compounds dihydroxymethane, methoxymethanol, and dimethoxymethane, made with the progr