Descriptive catalogue 1914 : Frost & Adams Co. importers and dealers in artists' materials, architects', engineers' draughtsmen's supplies, mathematical instruments and pyrography requisites. (1914)
Frost & Adams · Frost & Adams · leaf 646
accuracy,such as ditching, draining, road-leveling, etc. Theachromatic telescope is 11 inches long, object-glass1 _> inches, with Rack Movement. Graduated Rubble.The eye-piece is also adjustable to focus the cross-hairs. Instrument complete, with Metal Trivet.Plumb Bob, etc., in strong Box and… … 5110 5110. Architects or Builders Y Level, Achromatic Tele-scope 11 inches, with Dust Shade and Cross-Hairsgraduated Bubble, Object Glass \]i inch with RackMovement, Eye Piece adjustable to focus the cross-hairs. Horizontal circle 3 inch, divided to degreeswith Vernier reading to 5 minutes. A most…
Artists' materials · Drawing instruments · Paint
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