Charvoz-Roos Drawing Instruments
name: label: maker
content: Charvoz-Roos
notes: label: Description
content: This set of drawing instruments has eleven pieces contained in a folding case. The case is covered with black leatherette, lined with green velveteen, and closes with two metal snaps. It is marked in the upper left “CHARVOZ-ROOS” and in the upper right “277.” Stamped on the back in the lower right corner is “MADE IN GERMANY.”
label: Description
content: The set includes:
label: Description
content: 1) Thumbscrew compass with pen point, marked Germany, 3cm x 8cm.
label: Description
content: 2) Thumbscrew dividers, marked Germany, 3.3cm x 8cm.
label: Description
content: 3) Thumbscrew compass with pencil lead, marked Germany, 3cm x 8cm.
label: Description
content: 4) Metal capsule containing two spare pencil leads, .5cm x 3.5cm.
label: Description
content: 5) Screw driver with blued steel blade, .6cm x 5.5cm.
label: Description
content: 6) Extension for compass, marked Charvoz Germany, .8cm x 9cm.
label: Description
content: 7) Dividers, 1.3cm x 14cm.
label: Description
content: 8) Needle point for bow compass, .3cm x 5.2cm.
label: Description
content: 9) Pen point leg for bow compass, marked Charvoz Germany, .7cm x 5cm.
label: Description
content: 10) Compass with adjustable leg, fitted with leg for pencil lead, 1.3cm x 14cm.
label: Description
content: 11) Ruling pen, marked Charvoz Germany, .7cm x 13.2cm.
label: Description
content: The set was owned by the donor’s father, Ned Eugene Schultz. After serving in WWII his father returned to his hometown, Bluffton, Ohio and worked as a draftsman for Triplett Corporation. (Triplett designs and manufactures test equipment and tools and has been in business since 1904.) He later moved to California where he was employed by Northrop Aircraft (now Northrop Grumman). His projects included satellites, the F-5 tactical fighter, the YF17 lightweight fighter prototype, and the B2 stealth bomber.
label: Location
content: Currently not on view
place: label: place made
content: Germany
topic: label: Subject
content: Mathematics
setName: label: See more items in
content: Medicine and Science: Mathematics
label: See more items in
content: Science & Mathematics
creditLine: label: Credit Line
content: Gift of Richard Schultz
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 2018.0173.01
label: accession number
content: 2018.0173
label: catalog number
content: 2018.0173.01
objectType: label: Object Name
content: drawing instruments, set
physicalDescription: label: Physical Description
content: metal (overall material)
label: Physical Description
content: velveteen (overall material)
label: Physical Description
content: leatherette (overall material)
label: Measurements
content: overall, box: 1.5 cm x 25 cm x 10.2 cm; 19/32 in x 9 27/32 in x 4 1/32 in