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THE

PROCESS OF THOUGHT

APArTKl) TO

WORDS AND LANGUAGE.

TOGETHER WITH A DESCRIPTION OP

TILE RELATIONAL AND DIFFERENTIAL MACHINES.

. BY

ALFRED SMEE , F.R.S.

CAES. ACAD. KArfTRJK CURIOSORUM HOE. SOC.

SENIOR SURGEON TO IKS ROYAL GENERAL DISPENSARY, ALDERSGATE STREET-SURGEON TO THE BANK OF ENGLAND ,

AND TO THE

CENTRAL LONDON OPHTHALMIC HOSPITAL;

LATE LECTURER ON SURGERY;

ETC. BTC . ETC.

LONDON :

LONGMAN, BROWN, GREEN, AND LONGMANS,

M. DC CO. T.I.