Kikkert monocular, Busch - dba.dk - Køb og Salg af Nyt og Brugt
Compound monocular microscope made by Emil Busch A. G. | Science Museum Group Collection
Rare 1927 Busch Rathenow Handheld Electric Monocular Ophthalmoscope Thorner Type | eBay
German Emil Busch Rathenow Visar 5 Rifle Scope | Cowan's Auction House: The Midwest's Most Trusted Auction House / Antiques / Fine Art / Art Appraisals
Emil Busch A-G Rathenow Binoculars | eBay
DIARECTIM 3.5 / 100 red V, ROW Rathenow E. BUSCH, TRIPLET Trioplan, P 6500 | eBay