Lot 30

Hans Ernst Müller, Deutsche Uhrmacherschule Glashütte in Sachsen, circa 1937
Comprehensive estate of an alumnus of the German Watchmaking School in Glashuette (Saxony): tourbillon model, school pocket watch, and masterpiece (wristwatch). Includes diploma, references, certificates, design drawings, photographs and extensive reference library
An important escapement model with flying tourbillon regulator according to Alfred Helwig
Case: walnut, glass dome with brass frame, 205 x 205 x 120 mm. Movm.: brass plate, ground, signed, dated, very fine matted, silvered tourbillon cage, spring detent escapement according to Earnshaw, heavy screw compensation balance with gilt adjusting screws.
Illustrated and described in "Glashuette und seine Uhren" by Kurt Herkner, Dormagen 1978, page 377.
A rare pocket watch - graduate's work with original box
Case: silver, glazed on both sides, 52 mm, 109 g. Dial: silvered. Movm.: No. 3997, circa 1938, 3/4 plate movement, gold screw compensation balance.
An extremely rare graduate's wristwatch - master piece dated 1940
Case: chromium plated, 22 x 33 mm. Dial: silvered. Movm.: rectangular movement Basis Urofa Cal. 58 modified, large monometallic screw balance, blued Breguet hairspring with terminal curve according to Bley.
Illustrated and described in "Glashuette und seine Uhren" by Kurt Herkner, Dormagen 1978, page 363.
"Die Deutsche Uhrmacherschule Glashuette" by Kurt Herkner, Dormagen 1985, page A49.

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