细节
A demonstration mirror apparatus,
with ebonised frame supported by a lacquered-brass loop and adjustable for height, with ebonised baluster-turned stand -- 14in. (35.5cm.) high (lowered position); and a lacquered-brass demonstration siren apparatus, mounted on an iron base with label inscribed K. Vejtrubast. Karlin -- 6in. (15.2cm.) wide
See Illustration (2)
with ebonised frame supported by a lacquered-brass loop and adjustable for height, with ebonised baluster-turned stand -- 14in. (35.5cm.) high (lowered position); and a lacquered-brass demonstration siren apparatus, mounted on an iron base with label inscribed K. Vejtrubast. Karlin -- 6in. (15.2cm.) wide
See Illustration (2)