Heather - Mathematical Instruments Drawing and Measuring Instruments - X555z

Stanley - Mathematical Drawing and Measuring Instruments - New paperba - X555z

Stanley - Mathematical Drawing and Measuring Instruments - New hardbac - X555z

C.F. Casella Co. - Surveying and Drawing Instruments - New hardback - X555z

Brainard - Sextant And Other Reflecting Mathematical Instruments With - X555z

C.F. Casella Co. - Surveying and Drawing Instruments - New paperback - X555z

Varley - A Treatise On Optical Drawing Instruments. Also a Method of P - X555z

Roller - Electric and Magnetic Measurements and Measuring Instruments - X555z