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Vintage engineering, mechanical drawing, and drafting reference lot spanning 1938–1947, with four period technical books plus a group of loose engineering and drafting reference sheets found laid inside the books.Included in the lot:* Mechanical Drawing for High Schools — Edwin S. Youngberg
Pitman Publishing Corporation, 1938
Vintage school text with former owner name and Brooklyn address written on the cover and title page.
* A Manual of Engineering Drawing for Students and Draftsmen — Thomas E. French
Sixth Edition, Revised and Enlarged, Third Impression
McGraw-Hill Book Company, 1941
* Mechanical Drawing: A Text with Problem Layouts — Thomas E. French & Carl L. Svensen
Fourth Edition, Revised and Enlarged
McGraw-Hill, copyright 1940, printed November 1944
Former New York City Board of Education copy with dated property stamp and institutional markings.
* A Manual of Engineering Drawing for Students and Draftsmen — Thomas E. French, revised by Charles J. Vierck
Seventh Edition, Third Impression
McGraw-Hill Book Company, 1947Also included are multiple period loose technical reference and drafting sheets that were found stored inside the books, including:* Mechanical pump assembly diagrams
* Pump body, impeller, shaft, bushing, and packing-nut drawings
* Light wood framing details
* Joist, girder, sill, and floor-opening construction diagrams
* Nail size, type, and head reference charts
* 1956 Design News “New Design Data” sheet on average pitch diameter of bevel gears
* Additional engineering and drafting reference material shown in photosThe loose sheets appear to be period working/reference material associated with the former owner and are being sold with the books as found. They are not represented as original publisher-issued inserts.A strong vintage technical lot for collectors of engineering history, mechanical drawing, drafting, architecture, industrial design, technical education, or mid-century engineering ephemera.
