Remember Logarithms? A Smoleys 1953 new Combined Logarithmic Tables for All Your Logarithms and Squares  

AN INTERESTING BOOK MUCH USED IN DAYS GONE BYE. A 1953 BOOK WITH LOGARITHM TABLES BY CK SMOLEY AND SONS.
 
Back in the late 19th century to mid 20th century  "Smoley's Tables" were a significant technical publication for engineers and draftsmen. Constantine Smoley (1869-1952) developed unique parallel tabulation systems for calculations involving squares and logarithms in his technical books. 
 
C.K.Smoley & Sons Publishers; 1953. Faux Leather bound. 403 Pages. Tenth edition, fifth printing. Total issue 149,000 copies. For Engineers, Architects and Students.
 
A good copy with clean text. Preowned.
 
DIMENSIONS: 12CM WIDE 18CM HIGH 4.5CM THICK
 
CONDITION: GOOD CONDITION.
 
SMOLEY PUBLISHERS:
Smoley, C. K. (Constantine Kenneth), 1869-1952.
CK Smoley & Sons was a Scranton, PA-based publisher specializing in technical and mathematical tables, most notably "Smoley's Combined Tables" for engineering and construction. The company was named after its founder, C.K. Smoley, and published editions of its popular mathematical reference books
 
LOG TABLES:
Logarithm books were historically essential computational tools invented by John Napier in 1614 to simplify calculations by converting multiplication to addition, but they became obsolete with the rise of electronic calculators and computers.  While modern "Log Tables" in some Irish schools are just generic formula books, early versions of the tables themselves contained pre-computed logarithmic values.
For centuries, log tables were crucial for performing complex calculations, especially for scientists, engineers, and navigators, before electronic calculators and computers existed. 
The primary benefit of logarithms was that they transformed complex multiplications and divisions into simpler additions and subtractions, significantly speeding up calculations. 
Early tables contained natural logarithms (base e), but the English mathematician Henry Briggs helped create tables for base-10 (common) logarithms, which became more widely used for hand calculations. 
Scottish mathematician John Napier published the first logarithm tables in 1614 in his book Mirifici Logarithmorum Canonis Descriptio. 
The word "logarithm" comes from the Greek words logos (ratio/proportion) and arithmos (number), literally meaning "ratio-number". 
The arduous process of creating accurate log tables led Charles Babbage to invent early mechanical computers to automate the task. 
The invention and use of electronic devices, such as slide rules and later calculators and computers, made manual log table calculation obsolete.
 
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