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101491. Expired patents - USA

Date:
1930-1981
Extent:
1 bundle
Reference No:
C DBSP/1/4/1/27

101492. Explanation by the Driffield Navigation Engineer on why the proposal in the Navigation Bill will not harm the Hull water supply

Date:
23 Feb 1856
Extent:
1 item
Reference No:
C TLP/19/4

101493. Explanatory booklet and addenda

Date:
unknown
Reference No:
C DBTH/12/38/2

101494. Explanatory letter and notes by R Hooper

Date:
22 Nov 1994
Extent:
1 item
Reference No:
U DX238/4

101495. Explanatory note about the donation

Date:
11 Sep 1989
Extent:
1 item
Reference No:
U DX211/7

101496. Explanatory note by A T Tolley

Date:
Mar 2001
Extent:
1 item
Reference No:
U DX281/9

101497. Explanatory note by M.W. Beresford

Date:
4 Mar 1987
Extent:
1 item
Reference No:
U DX177/1/1

101498. Explanatory notes and correspondence regarding Everingham estate accounts

Date:
May-Jun 1909
Extent:
3 items
Reference No:
U DDEV2/12/3

101499. Exploded diagram of the Stone Manganese controllable pitch propeller

Date:
unknown
Reference No:
C DBTH/5/2/10/15

101500. Explorer

Date:
9 Aug 1897
Extent:
1 item
Reference No:
C DPF/14/472