Add to ORKGAt head of title: U.S. Dept. of commerce, Jesse H. Jones, secretary. National bureau of standards; Lyman J. Briggs, director.Caption title.Mode of access: Internet
At head of title: United States Department of Commerce ... National Bureau of Standards.Mode of acce...
At head of title: United States Department of Commerce, National Bureau of Standards.Photoprinted.Mo...
"Superseding Bureau of standards miscellaneous publication M125."Issued February 2, 1942.Running tit...
At head of title: U. S. Dept. of commerce. Jesse H. Jones, secretary, National bureau of standards. ...
Includes 2 test charts at end.Running title: Lens resolution test."Issued December 27, 1940" -t.p.In...
"Supersedes Circular C9."At head of title: U.S. Dept. of Commerce, Jesse H. Jones, secretary. Nation...
At head of title: U. S. Dept. of commerce, Jesse H. Jones, secretary. National bureau of standards...
At head of title: U.S. Department of Commerce. Daniel C. Roper, secretary. National Bureau of Standa...
At head of title: U.S. Dept. of commerce ... National bureau of standards.Mode of access: Internet
"Superseding U.S. Department of Commerce, National Bureau of Standards, Miscellaneous publication M1...
At head of title: U.S. Department of Commerce. Daniel C. Roper, secretary. National Bureau of Standa...
The first edition has title: The testing and properties of optical instruments.Running title: Optica...
At head of title: U. S. Department of commerce. Daniel C. Roper, secretary. Coast and geodetic sur...
At head of title: U.S. Dept. of Commerce, Jesse H. Jones, secretary. Coast and Geodetic Survey, Leo ...
"Supersedes Circular C392."At head of title: U.S. Dept. of commerce. Jesse H. Jones, secretary. Nati...
At head of title: United States Department of Commerce ... National Bureau of Standards.Mode of acce...
At head of title: United States Department of Commerce, National Bureau of Standards.Photoprinted.Mo...
"Superseding Bureau of standards miscellaneous publication M125."Issued February 2, 1942.Running tit...
At head of title: U. S. Dept. of commerce. Jesse H. Jones, secretary, National bureau of standards. ...
Includes 2 test charts at end.Running title: Lens resolution test."Issued December 27, 1940" -t.p.In...
"Supersedes Circular C9."At head of title: U.S. Dept. of Commerce, Jesse H. Jones, secretary. Nation...
At head of title: U. S. Dept. of commerce, Jesse H. Jones, secretary. National bureau of standards...
At head of title: U.S. Department of Commerce. Daniel C. Roper, secretary. National Bureau of Standa...
At head of title: U.S. Dept. of commerce ... National bureau of standards.Mode of access: Internet
"Superseding U.S. Department of Commerce, National Bureau of Standards, Miscellaneous publication M1...
At head of title: U.S. Department of Commerce. Daniel C. Roper, secretary. National Bureau of Standa...
The first edition has title: The testing and properties of optical instruments.Running title: Optica...
At head of title: U. S. Department of commerce. Daniel C. Roper, secretary. Coast and geodetic sur...
At head of title: U.S. Dept. of Commerce, Jesse H. Jones, secretary. Coast and Geodetic Survey, Leo ...
"Supersedes Circular C392."At head of title: U.S. Dept. of commerce. Jesse H. Jones, secretary. Nati...
At head of title: United States Department of Commerce ... National Bureau of Standards.Mode of acce...
At head of title: United States Department of Commerce, National Bureau of Standards.Photoprinted.Mo...
"Superseding Bureau of standards miscellaneous publication M125."Issued February 2, 1942.Running tit...