| HARRI, LEENDERT JOHANNES | Holland, 1801-75, NIM | Crown Compass = AMST; Octants = AMST (No. 436), Koller 11/17/75; Sextants = OMM, Amst; Mariner's Compasses = Auctions, 1906, 1910, 1913; etc. | some instruments signed "L.J. Harri." | Oude Teertuinen bij de Schreijerstoren 446 (1836-52); Oude Teertuinen M.133 (1853-69); Kamperhoofd M.131 (1870-75); all in Amsterdam. | Mörzer Bruyns 1 & 2; RSW. | 
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