The Orloj, Engraved — 1837

after Czermak / Kandler, 1837

The ComplicationPA-00540Tear sheet

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No print size passed the check for this piece: at 8 x 10 in, Wrong shape: a 13% crop. We would rather show it than sell a soft print.

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Before the photograph, the print: the Orloj engraved in 1837, its tower and dials rendered in the crisp romantic line of the Biedermeier print trade. An astronomical clock is a public complication — a machine that tells a whole square the hour, the calendar, and the state of the heavens at once — and the engraver treats it accordingly, as portraiture. Paired with Fridrich's photograph of a generation later, it makes a small history of how we looked at the same machine.

Maker
after Czermak / Kandler
Date
1837
Medium of the original
Engraving of the Prague astronomical clock
Original held by
via Wikimedia Commons
Credit
via Wikimedia Commons · via Wikimedia Commons
Rights
Public domain, verified
Catalogue number
PA-00540

Before a size goes on sale, the file is measured against it: pixels per inch at that size, how much of the picture a crop would lose, tone and sharpness. A size that fails is not offered, so there is nothing to choose wrong.

How the print check works

Sizes withheld
SizeWhy
8 x 10 inWrong shape: a 13% crop
8 x 12 in133 dpi; a historical scan is never enlarged
11 x 14 inWrong shape: a 12% crop
12 x 16 in92 dpi; a historical scan is never enlarged
12 x 18 in88 dpi; a historical scan is never enlarged
16 x 20 inWrong shape: a 13% crop
16 x 24 in66 dpi; a historical scan is never enlarged
18 x 24 in61 dpi; a historical scan is never enlarged
20 x 30 in53 dpi; a historical scan is never enlarged
24 x 30 inWrong shape: a 13% crop
24 x 36 in44 dpi; a historical scan is never enlarged
30 x 40 in37 dpi; a historical scan is never enlarged
36 x 48 in30 dpi; a historical scan is never enlarged
40 x 60 in26 dpi; a historical scan is never enlarged
Scanned
2026-10-07
Master file
1,111 x 1,600 px, b-w
Tone
Darks 55, lights 240 of 255; 0% clipped light, 0% clipped dark
Colour
0% vivid
Sharpness
132.67

About the house

The Complication

Huygens’s pendulum, Harrison’s chronometer engravings and the astronomical tower.

All 19 pieces from The Complication

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