CECIL E. HANSON COLLECTION
ANTIQUE SURVEYING INSTRUMENTS

DRAWING AND DRAFTING INSTRUMENTS

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

inv# Description
D2 Set of Drawing Instruments (8 pcs)
D3 Set of Drawing Instruments (6 pcs)
D6 Set of Drawing Instruments (7 pcs)
D7 Set of Drawing Instruments (9 pcs)
D8 Drawing Compasses (3 pcs)
D9 Ruling Pen (7 pcs)
D10 Proportional Divider
D11

Beam Compass

D12 Beam Compass
D13 Tubular Beam
D14 Folding Pocket Drawing Compass
D15

3 Legged Divider

D16 Railroad Ruling Pen
D18 Ruling Pen
D20 Polar Planimeter
D22 18" Parallel Ruler
D24 12" Ivory Scales (4)
D25 12" K&E Triangular Scale
D26

12" Engineering Scale

D27 12" White Flat Edge Engineering Scale
D28

12" White Flat Edge Engineering Scale

D61 K&E Drafting Instrument Set
D62 10" K&E Slide Rule
   + More to be added

No Longer
in the Collection
inv# Description
D1 Fishskin Cased Drawing Instruments, Donated to Sacramento RR Museum (2005)
D4

Set of Drawing Instruments (7 pcs); Donated in 2017 to the Surveyors Historical Society for fundraising auction at the Boston Rendezvous meeting

D5 Set of Drawing Instruments (7 pcs); Donated to Lynden (WA) Pioneer Museum (2015)
D17 Railroad Ruling Pen with Ivory Handle; Donated to Sacramento RR Museum (2005)
D19 Ruling Pen with Ivory Handle; Donated to Sacramento RR Museum (2005)
D21 15" Brass Roller Parallel Rule; Brass was badly corroded, plastic scale disintegrated. Disposed (2022)
D23 6" Parallel Ruler; Donated to Sacramento RR Museum (2005)
D37 Cox's Stadia Computer; Donated in 2017 to the Surveyors Historical Society for fundraising auction at the Boston Rendezvous meeting
D42 45o Pearwood Triangle; Donated to Sacramento RR Museum (2005)
D43 30o-60o Black Triangle; Donated to Sacramento RR Museum (2005)