Thanks Pedro. Given that some / several / many members of the Sundial List 
would want to buy a copy, can you let us all know when the book is back in 
stock please?

Cheers, John

John Pickard 

From: Pedro Raposo 
Sent: Friday, August 16, 2019 8:04 AM
Subject: Re: New book: Sundials of the Adler Planetarium, by Sara J. Schechner

John, and all - 

Demand is proving high, we'll replenish the stock soon. Please keep an eye on 
the website and make sure to place your order as soon as it becomes available 


On Thu, Aug 15, 2019 at 4:49 PM <> wrote:

  That’s great news Pedro, but the Adler Planetarium website says that the book 
is not in stock. 

  Cheers, John

  John Pickard 

  From: Pedro Raposo 
  Sent: Friday, August 16, 2019 7:13 AM
  Subject: New book: Sundials of the Adler Planetarium, by Sara J. Schechner

  I am pleased to announce the publication of Time of Our Lives: Sundials of 
the Adler Planetarium, by Sara J. Schechner. Please find below a description of 
the book. Orders can be placed through the Adler Planetarium's online store 


  Pedro M. P. Raposo, DPhil

  Curator and Director of Collections
  The Adler Planetarium


  Time of Our Lives: Sundials of the Adler Planetarium                          

  by Sara J. Schechner, PhD, David P. Wheatland Curator of the Collection of 
Historical Scientific Instruments, Harvard University 

  Published by the Adler Planetarium 

  The Adler Planetarium of Chicago has the best and most comprehensive 
collection of sundials and time-finding instruments in North America.  Now many 
of these objects can be yours to explore.  This volume encompasses a dazzling 
array of sundials, 268 in all, that date from the 15th to 20th centuries.

  What makes this catalogue special is that it is written to engage 
non-specialists approaching sundials for the first time.  Although the 
organizational logic is astronomical and mathematical, the primary Interpretive 
essays set the sundials into cultural and social context.

  The catalogue divides sundials into classes according to the element of the 
Sun’s apparent motion that they track (e.g. hour-angle, altitude, azimuth, or a 
combination) and the orientation of the surfaces on which the hour lines are 
mathematically drawn. Within each chapter, the instruments are organized 
chronologically and by workshop, thereby giving readers insight into that 
type’s development over time and differences among makers.  Technical object 
descriptions are supplemented by tables of divisions, gazetteers, saints’ days, 
weather forecasts, and in the case of polyhedral dials, the dial types, 
orientations, and hour systems drawn on every face.  The tables offer a 
snapshot of the precision to which the maker aimed and the sundial’s 
complexity.  Color photographs of each sundial show its overall appearance and 

  Chapter introductions go beyond mathematical descriptions of how each type 
works.  Drawing upon research findings presented here for the first time, the 
essays offer insights into early production techniques, fads and fashions, 
social hierarchy among users, the impact of church and civil authorities, and 
the history of the sundial classes.  

  Throughout the ages, people’s sense of time has been influenced by their 
culture, politics, religion, labor, society, and geography.  This catalogue 
offers concrete evidence, for every sundial in it embodies the time-related 
needs and values of its maker and users.  

  The catalogue includes a taxonomy of compass needles, glossary, bibliography, 
and index.  It is hardcover, 488 pages, 9.75” x 11”.




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