Here’s an image of an old catalog offering “Camp Line” brand ukuleles and Banjo ukuleles (along with mandolins and guitars):
The text reads:
Camp Line of Ukuleles, Mandolins, and Guitars
Nothing similar is offered elsewhere, as they are exclusive patented products. Read the descriptions. Great care has been given to the manufacture of all instruments; we realize that they will be used outdoors and carried around considerably, so we designed them especially to meet these exacting requirements. They are compact, therefore easy to carry; durable, and not affected by the forest or beach dampness. The tone is exceptionally clear, the volume and carrying power great, The Guitar is so arranged that it may be played either regular or Hawaiian style.
Ukuleles
No. 1004
Patent applied for. 7 in. round body. 2 1/8 in. deep. Made of 2-ply laminated Nyssa wood. Flat top and back, round sound hole, square end mahogany bridge. Well built neck, 13 in. scale, 17 frets. Mahogany string pegs, four gut strings. Natural Finish. Price: $5.45.
No. 2004
Patent applied for. 7 in. round body. 2 1/8 in deep. Made of 2-play laminate Nyssa wood. Flat top and back, top edge inlaid with black celluloid. Oval sound hole, improved mahogany bridge, strongly built neck, 13 in. scale, 17 frets, four black position dots. Ebony string nut, rosewood string pegs, three gut strings and one silk-wound string. Natural finish. Price: $7.55.
No. 3004
Patent applied for. 7 in. round body. 2 1/8 in. deep. Made of 2-ply laminated Nyssa wood. Flat top and beautifully figure turned back, top edge inlaid with black celluloid. Oval sound hole, improved mahogany bridge, well-built Nyssa neck, 17 frets, 13 in. scale, four black position dots. Black celluloid buttons, exclusive friction pegs. Three gut strings, one silk-wound string. Hand rubbed satin finish. Price: $10.15.
No. 4004
Patent applied for. 7 in. round body. 2 1/8 in. deep. 2-ply fancy figured laminated Nyssa wood sides. Beautifully figured Nyssa wood flat top and turned back. Genuine shaded gold leaf design on top edge inlaid with black celluloid. Oval raised sound hole, trimmed with black celluloid, improved mahogany bridge, with ebony saddle. Selected wood neck with 17 frets and four black position dots. 13 in. scale, ebony string nut, black celluloid buttons, improved nickel plated friction string pegs. Three gut strings and one silk-wound string. Hand rubbed, satin finish. Price: $14.15.
Banjo Ukuleles
No. 1234
7 in. shell, natural finish wood, 3-piece neck to match, nickel silver frets, wooden pegs, open back, N. P. stretcher band, calfskin head. Price: $6.50.
No. 1244
7 in. shell, natural finish wood, 3-piece shell and neck which means added strength. Natural wood inlay stripe in neckpiece and encircling shell, nickel silver frets, wooden pegs, open back, N. P. stretcher band and calfskin head. Price: $8.35.
No. 1254
7 in. mahogany shell, 3-piece, with inlay through center of shell to minimize possibility of splitting or cracking. Three-piece veneered mahogany resonator which considerably improves tone and increases volume. Natural finish wood. Neck same wood with two black stripes and a white wood inlay through center. Neck is built in three pieces also. Nickel silver frets, black patent pegs. N. P. stretcher band, calfskin head. Price: $11.50.
No. 2264
7 in. shell, made of stained cherry wood. Neck piece of same wood, stained to match. 12 nickel played brackets, nickel silver frets, NON-TIP bridge, patent friction pegs, nickel finish, with black buttons. Open back, calfskin head. Price: $12.25.