Stanley No. 41 Straight Edge & Pocket Level

 

sno41_levels.jpg (25319 bytes)
Collection of Stanley No. 41 Straight Edge & Pocket Levels

Features: Attaches to a square
Period of Manufacture: 1859 thru 1948
Patents: 2/18/1890 #421,786 Justus Traut of New Britain, CT., assignor to Stanley Rule &Level. "Sprit-Level" (Simplified vial mounting. Date stamped on brass cover  plate).6/23/1896 #562,678 & #562,679    Justus Traut & Christan Bodmer of New Britain, CT. "Machine for Graduating Glasses or Tubes" and "Method of Marking Level Glasses or Analogous Articles". This patent covered Stanley's new method of graduating level vials and their specifically designed machinery for that purpose. This patent date is the most frequently reported level patent.
Dimensions: 3 inch long
Material: Cast iron base with stamped brass top plate
Finish: Japanned base
Average price as given by Walter(1998): $15 to $45
Notes: First appeared in the 1859 Stanley Catalog without a description other than material.
Type Catalog Line Drawing Example Marking Period Notes
1 . . none 1859
to
1871		 Top plate is bare
2  . sno41lvl_typ2.jpg (19269 bytes) none 1872
to
1885		 Vine or leaf design
3  . sno41lvl_typ3a.jpg (25359 bytes) Stanley
&
Pat. Feb 18,90		 1890
to
1895		 Catalog was slow to show actual level design. Rare early patent date.
4  . sno41lvl_typ3b.jpg (26664 bytes) Stanley
&
Pat. June 24, 96		 1896  to  1913 Assumed to be made in this style untill patent expired
5 .. sno41lvl_typ4.jpg (24089 bytes) Stanley
&
New Britain,Conn, U.S.A.		 1914  to  1928 Assumed to be made in this style untill the Y logo period began
6  . . Stanley
&
Made in USA		 1923  to 1945, 1948 .

Notes maintained by Gordon Lewis Muster II
Page Last Updated on 04/08/2012 05:18 PM
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