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# Sum of the Arts
- URL: https://hyperallergic.com/sum-of-the-arts-23/
- Published: 2015-08-14T11:00:16.000Z
- Updated: 2025-11-24T16:43:09.000Z
- Description: Number of nickel cadmium batteries required to power the first digital camera, which was created in 1973 = 16
- Author: Allison Meier
- Tags: Art, Sum of the Arts, #wp, #wp-post, #image-position-hidden, #Import 2025-11-24 07:08 (2014, 2015, part 2)

![Lantern slide photograph on glass in wood mount of Smithsonian Institution Building (Smithsonian Castle) under construction, by William Langenheim and Frederick Langenheim of Philadelphia (1850) (courtesy Smithsonian Castle Collection)](https://storage.ghost.io/c/51/f8/51f871d8-b6be-4a73-b958-0ca4fff0110a/content/images/hyperallergic-newspack-s3-amazonaws-com/uploads/2015/08/smithsoniancastleslide.jpg)

Lantern slide photograph on glass in wood mount of Smithsonian Institution Building (Smithsonian Castle) under construction, by William Langenheim and Frederick Langenheim of Philadelphia (1850) (courtesy Smithsonian Castle Collection)

[*Sum of the Arts*](http://hyperallergic.com/tag/sum-of-the-arts/) *is a periodic tabulation of numbers floating around the art world and beyond.*

- Number of towers on the Smithsonian Castle, [first photographed](http://www.smithsonianmag.com/smart-news/smithsonian-celebrates-169th-birthday-image-castles-construction-180956212/?ref=hyperallergic.com) in 1850 = **9**
- Number of full-time dance critics [in the United States](http://www.theatlantic.com/entertainment/archive/2015/08/american-dance-critic/399908/?ref=hyperallergic.com) \= **2**
- Number of people out of 150 [who survived](http://mentalfloss.com/article/66839/15-things-you-should-know-about-raft-medusa?ref=hyperallergic.com) the maritime catastrophe depicted in Théodore Géricault’s “The Raft of the Medusa” (1818–19) = **10**
- Number of states where Joseph McGill has slept in former slave lodgings as part of his ongoing [Slave Dwelling Project](http://www.nytimes.com/2015/08/14/arts/confronting-slavery-at-long-islands-oldest-estates.html?ref=hyperallergic.com) \= **14**
- Number of nickel cadmium batteries required to power the [first digital camera](http://lens.blogs.nytimes.com/2015/08/12/kodaks-first-digital-moment/?ref=hyperallergic.com), which was created in 1973 = **16**
- Average hourly rate in American dollars [performers were paid](http://www.nytimes.com/2015/07/31/arts/design/looking-at-how-performers-are-paid-for-performance-art.html?ref=hyperallergic.com) for major museum exhibitions in 2010 = **20**
- Hours in which the “Houses While You Wait” machine of the 1940s could [build a two-bedroom concrete home](http://www.citylab.com/tech/2015/08/this-1940s-house-building-machine-was-the-original-3-d-printer/400967/?ref=hyperallergic.com) \= **24**
- Number of fiberglass fish in which visitors can ride the nautilus shell-shaped carousel opening in Battery Park on [August 20](http://artdaily.com/news/80499/The-Battery-Conservancy-announces-opening-of-SeaGlass-Carousel?ref=hyperallergic.com) \= **30**
- Seconds that Cai Guo-Qiang’s “Sky Ladder” [exploded](http://www.designboom.com/art/cai-guo-qiang-sky-ladder-huiyu-island-08-12-2015/?ref=hyperallergic.com) over a Chinese fishing village = **150**
- Pantone number of a black coffee in [Monaco’s new Pantone Cafe](http://www.psfk.com/2015/08/pantone-cafe-monaco-restaurant-group.html?ref=hyperallergic.com) \= **19-111**