H. BROWNE & SONS LTD, MOORE, SESTREL COMPASS | eBay
Autonautic Instrumental - Old SESTREL compass repaired | Facebook
COMPASS and CLINOMETER, early 20th century, "Sestrel", Henry Browne & Son, Barking & London and Barking Essex respectively, the compass a so-called. Dead Beat Compass. Miscellaneous - Technica & Nautica - Auctionet
Ships Brass Binical Sestrel Compass, with Original Burner - Other Scientific Items - Hemswell Antique Centres