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CECIL E. HANSON COLLECTION |
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DRAWING AND DRAFTING INSTRUMENTS
Currently in the Collection |
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| inv# | Description |
| 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 | |
| D12 | Beam Compass |
| D13 | Tubular Beam |
| D14 | Folding Pocket Drawing Compass |
| D15 | |
| D16 | Railroad Ruling Pen |
| D18 | Ruling Pen |
| D20 | Polar Planimeter |
| D22 | 18" Parallel Ruler |
| D24 | 12" Ivory Scales (4) |
| D26 |
12" Engineering Scale |
| D27 | 12" White Flat Edge Engineering Scale |
| D33 | Dietzgen 10" Federal 1769P Slide Rule |
| + | More to be added |
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No Longer in the Collection |
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| inv# | Description |
| D1 | Fishskin Cased Drawing Instruments; Donated to Sacramento RR Museum (2005) |
| D2 | Set of Drawing Instruments (8 pcs); Donated in 2026 to the Surveyors Historical Society for fundraising raffle at the Montana Rendezvous meeting |
| 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) |
| D7 | Set of Drawing Instruments (10 pcs); Donated in 2024 to the Surveyors Historical Society for fundraising raffle at the Iowa Rendezvous meeting |
| 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) |
| D25 | 12" K&E Triangular Scale; Donated in 2023 to the Surveyors Historical Society for fundraising raffle at the Houston Rendezvous meeting. |
| D28 | 12” Flat Eng Scale; Donated in 2024 to the Surveyors Historical Society for fundraising raffle at the Iowa Rendezvous meeting |
| D29 | 6” Flat Eng Scale; Donated in 2026 to the Surveyors Historical Society for fundraising raffle at the Montana Rendezvous meeting. |
| D34 | K&E Polyphase Slide Rule; Donated in 2026 to the Surveyors Historical Society for fundraising raffle at the Montana Rendezvous meeting. |
| D36 | K&E 10" Stadia Slide Rule; Sold on EBay (9/6/2026) |
| D37 | Cox's Stadia Computer; One donated in 2017 to the Surveyors Historical Society for fundraising auction at the Boston Rendezvous meeting. Another donated in 2024 to the Surveyors Historical Society for fundraising raffle at the Iowa Rendezvous meeting. |
| D42 | 45o Pearwood Triangle; Donated to Sacramento RR Museum (2005) |
| D43 | 30o-60o Black Triangle; Donated to Sacramento RR Museum (2005) |
| D61 | K&E Drafting Instrument Set; Donated in 2023 to the Surveyors Historical Society for fundraising raffle at the Houston Rendezvous meeting |
| D62 | 10" K&E Slide Rule; Donated in 2023 to the Surveyors Historical Society for fundraising raffle at the Houston Rendezvous meeting |
| D97 | Pickett Slide Rule and Instruction Manual; Donated in 2024 to the Surveyors Historical Society for fundraising raffle at the Iowa Rendezvous meeting |