CECIL E. HANSON COLLECTION
ANTIQUE SURVEYING INSTRUMENTS

FOREIGN TRANSITS AND THEODOLITES

Currently in the Collection
(CLICK ON LINK FOR PICTURES AND DETAILS)

inv# Instrument Maker - Location, Estimated date made
FT1

Dollond - London, England, ca.1830

FT2

Mon Richert & Cuvard & Canary - Paris, France

FT3 Kern - Switzerland
FT5 Geocartographic Industry - Moscow, Russia
FT6 Th. Lassoe Miller - Kobenhavn, Denmark
FT7 Tobin - France
FT8 H. Morin - Paris, France, ca 1910
FT10 H. Wanschaff - Berlin, Germany, ca 1890
FT11 Troughton & Simms - London, England, ca 1890
FT12 Stanley - London, England
FT14 Stanley - London, England, ca early 20th century
FT15 Troughton & Simms - London, England, ca 1900
FT17 T. Street Commerc'ro - London, England, ca late 19th century
FT18

Tokyo JES - Japan, ca 1942

FT20 Goniasmometre - Cancari Opticien - Bordeaux, France, ca mid 19th century
FT21 Goniasmometre - Maker Unknown - France, ca mid 19th century
FT22 Graphometer - Maker Unknown - France, ca mid 19th century
FT23 Dip Needle - Froment - Paris, France, ca 1885
FT24 H. Morin - Paris, France, Probably Late 1800's
FT25 J. W. Breithaupt & Sohn - Kassel, Germany, ca 1882
FT26 G. Heyde Dresden, Germany, ca.1900
FT27 Kern - Switzerland

No Longer
in the Collection
inv# Instrument Maker - Location, Estimated date made; Current location
FT4 Kern - Switzerland - Sold on EBay (12/10/2023)
FT9 J. W. Breithaupt & Sohn - Kassel, Germany; Sold on EBay (11/20/2022)
FT13 Troughton & Simms - London, England; Sold on EBay (12/2021)
FT16

Unknown Maker - England, late 19th century; Sold on EBay (5/15/2024)

FT19 Wild - Switzerland, ca.1960; Sold on EBay (2/2023)