I think I've finally found Sherlock's nightstand lamp! ALFRED MÜLLER (1869-1939) Modernist/Bauhaus Swiss Desk Lamp for Bag Turgi c.1935 | M… | Lampe, Lumiere, Art
Bronze lamp, signed Müller Frères
Swiss Quick 1500 Table Lamp by Alfred Müller, 1930s for sale at Pamono
MÜLLER-LICHT - Lampen und Leuchten kaufen im REUTER Shop
Large Mid-Century German Table Lamp from Pitt Müller, 1950s for sale at Pamono
Vintage desk lamp Quick 1500 by Alfred Muller, Switzerland 1930s - Design Market
Alfred Müller Desk Lamp Adria for AMBA 1950s Black & Brass | Etsy
Pitt Müller 'Attribution', Curved Table Lamp, Brass, Fabric, Germany, 1950s For Sale at 1stDibs